China National Standards

China 50 GB Standards List

  •  China "50" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 43723-2024 Performance requirements for semi-integrated LED lamps with a power supply voltage not greater than 50V AC effective value or 120V DC without ripple for general lighting {译}
    普通照明用电源电压不大于交流有效值50V或无纹波直流120V的半集成式LED灯-性能要求    		 China National Standards
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    GB/T 5169.23-2024 Fire hazard tests for electrical and electronic products - Part 23: Test flame - 500W vertical flame test method for polymer tubular materials {译}
    电工电子产品着火危险试验-第23部分：试验火焰-聚合物管形材料500W垂直火焰试验方法    		 China National Standards
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    GB/T 30757-2024 Carbon content 7% ~50% alkaline dense shaped refractory products classification {译}
    碳含量7%～50%的碱性致密定形耐火制品分类    		 China National Standards
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    GB/T 15967-2024 1:500-1:1000-1:2000 topographic map digital aerial photogrammetry mapping specifications {译}
    1:500-1:1000-1:2000地形图数字航空摄影测量测图规范    		 China National Standards
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    GB/Z 42151.77-2024 Electric power automation communication networks and systems - Part 7-7: IEC-61850 related data model machine-processable format for tools {译}
    电力自动化通信网络和系统-第7-7部分：用于工具的IEC-61850相关数据模型机器可处理格式    		 China National Standards
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    GB/Z 43963-2024 Guide to determining the values ​​of electrical clearances, creepage distances and solid insulation requirements for equipment with rated voltages above 1000V to 2000V AC and above 1500V to 3000V DC {译}
    确定额定电压在交流1000V以上至2000V，直流1500V以上至3000V间设备的电气间隙、爬电距离的数值以及对固体绝缘要求的指南    		 China National Standards
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    GB/T 45007-2024 Occupational health and safety management systems - Guidelines for the implementation of GB/T-45001-2020 in small organizations {译}
    职业健康安全管理体系-小型组织实施GB/T-45001—2020指南    		 China National Standards
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    GB/T 43626-2023 Safety regulations for semi-integrated LED lamps with power supply voltage not greater than AC rms 50V or ripple-free DC 120V for general lighting {译}
    普通照明用电源电压不大于交流有效值50V或无纹波直流120V的半集成式LED灯 安全规范    		 China National Standards
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    GB/T 42151.81-2023 Power automation communication networks and systems Part 8-1: Specific communication service mapping (SCSM) mapping to MMS (ISO 9506-1 and ISO 9506-2) and ISO/IEC 8802-3 {译}
    电力自动化通信网络和系统 第8-1部分：特定通信服务映射（SCSM） 映射到MMS（ISO 9506-1和ISO 9506-2）和ISO/IEC 8802-3    		 China National Standards
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    GB/T 25320.6-2023 Power system management and its information exchange Data and communication security Part 6: Security of IEC 61850 {译}
    电力系统管理及其信息交换 数据和通信安全 第6部分：IEC 61850的安全    		 China National Standards
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    GB/T 24906-2023 Safety regulations for self-ballasted LED lamps above 50V for general lighting {译}
    普通照明用50V以上自镇流LED灯 安全规范    		 China National Standards
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    GB/T 21888-2023 C.I. Acid Red 131 (Acid Brilliant Red P-9B 150%) {译}
    C.I.酸性红131（酸性艳红P-9B 150%）    		 China National Standards
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    GB/T 41629.3-2022 Rated voltage 500 kV (Um=550 kV) XLPE insulated long-length AC submarine cables and accessories - Part 3: Submarine cable accessories {译}
    额定电压500 kV(Um=550 kV)交联聚乙烯绝缘大长度交流海底电缆及附件 第3部分：海底电缆附件    		 China National Standards
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    GB/T 41629.2-2022 Rated voltage 500 kV (Um=550 kV) XLPE insulated long-length AC submarine cables and accessories Part 2: Long-length AC submarine cables {译}
    额定电压500 kV(Um=550 kV)交联聚乙烯绝缘大长度交流海底电缆及附件 第2部分：大长度交流海底电缆    		 China National Standards
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    GB/T 41629.1-2022 Rated voltage 500 kV (Um=550 kV) XLPE insulated long-length AC submarine cables and accessories Part 1: Test methods and requirements {译}
    额定电压500 kV(Um=550 kV)交联聚乙烯绝缘大长度交流海底电缆及附件 第1部分：试验方法和要求    		 China National Standards
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    GB/Z 41476.3-2022 Non destructive testing instruments - radiation protection rules for X-ray equipment below 1mV - Part 3: calculation formulas and charts for radiation protection of X-ray equipment below 450kv {译}
    无损检测仪器 1MV以下X射线设备的辐射防护规则 第3部分：450kV以下X射线设备辐射防护的计算公式和图表    		 China National Standards
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    GB/T 41475-2022 1: Specification for color and legend of 25000 ~ 1:500000 soil nutrient map {译}
    1：25 000~1：500 000土壤养分图用色与图例规范    		 China National Standards
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    GB/T 17626.19-2022 Electromagnetic compatibility-Testing and measurement techniques-Part 19: 2kHz~150kHz differential mode conducted disturbance and communication signal immunity test of AC power port {译}
    电磁兼容 试验和测量技术 第19部分：交流电源端口2kHz~150kHz差模传导骚扰和通信信号抗扰度试验    		 China National Standards
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    GB/T 42207.5-2022 Connectors for electronic equipment - Product requirements - Rectangular connectors - Part 5: Detail specification for snap lock rewirable power connectors with rated voltage DC 250 V and rated current 30 A {译}
    电子设备用连接器 产品要求 矩形连接器 第5部分：额定电压直流250 V额定电流30 A卡扣锁紧可重复接线电源连接器详细规范    		 China National Standards
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    GB/T 18216.10-2022 Equipment for testing, measuring or monitoring electrical safety protection measures for low-voltage power distribution systems up to and including 1000 V AC and 1500 V DC Part 10: Combined measuring equipment for testing, measuring or monitoring protecti {译}
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第10部分：用于防护措施的试验、测量或监控的组合测量设备    		 China National Standards
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    GB/T 18216.6-2022 Equipment for testing, measuring or monitoring electrical safety protection measures for low-voltage power distribution systems up to and including 1000 V AC and 1500 V DC Part 6: Effectiveness of residual current devices (RCDs) in TT, TN and IT systems {译}
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第6部分：TT、TN和IT系统中剩余电流装置（RCD）的有效性    		 China National Standards
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    GB/T 41985-2022 230MeV~250MeV superconducting proton cyclotron {译}
    230MeV~250MeV超导质子回旋加速器    		 China National Standards
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    GB/T 18216.5-2021 Electrical safety in low voltage distribution systems up to 1 000 V a.c, and 1500 V d.c.-Equipment for testing，measuring or monitoring of protective measures-Part 5:Resistance to earth
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第5部分：对地电阻    		 China National Standards
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    GB/T 18216.4-2021 Electrical safety in low voltage distribution systems up to 1 000 V a. c and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第4部分：接地电阻和等电位接地电阻    		 China National Standards
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    GB/T 18216.3-2021 Electrical safety in low voltage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第3部分：环路阻抗    		 China National Standards
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    GB/T 18216.2-2021 Electrical safety in low voltage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第2部分：绝缘电阻    		 China National Standards
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    GB/T 18216.1-2021 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.—Equipment for testing,measuring or monitoring of protective measures—Part 1:General requirements
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第1部分：通用要求    		 China National Standards
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    GB/T 39949.3-2021 Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 3: 16 MPa compact series with bores from 250mm to 500mm
    液压传动 单杆缸附件的安装尺寸 第3部分：16 MPa缸径250 mm～500 mm紧凑型系列    		 China National Standards
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    GB/T 40969-2021 Paper and board—Determination of colour (D50/2°diffuse reflectance method)
    纸和纸板 颜色的测定（D50/2°漫反射法)    		 China National Standards
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    GB/T 40523-2021 Technology specification for geometric calibration of 1:25000 1:50000 optical mapping satellite
    1:25000 1:50000光学测绘卫星几何检校技术规范    		 China National Standards
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    GB/T 20111.5-2020 Electrical insulation systems—Procedures for thermal evaluation—Part 5: Applications with a designed life of 5000h or less
    电气绝缘系统 热评定规程 第5部分:设计寿命5000h及以下的应用    		 China National Standards
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    GB/T 18916.50-2020 Norm of water intake—Part 50：Polyester product
    取水定额 第50部分：聚酯涤纶产品    		 China National Standards
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    GB/T 36702.2-2020 Irrigation equipment—Safety devices for chemigation—Part 2: Chemigation valve assemblies from DN 75（3〞） to DN 350（14〞）
    灌溉设备 化学灌溉用安全装置 第2部分：DN 75（3〞）至 DN 350（14〞）的化学灌溉阀组件    		 China JB-Machinery Industry Standards
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    GB 9706.201-2020 Medical electrical equipment—Part 2-1: Particular requirements for the basic safety and essential performance of electron accelerators in the range 1 MeV to 50 MeV
    医用电气设备 第2-1部分：能量为1MeV至50MeV电子加速器基本安全和基本性能专用要求    		 China National Standards
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    GB/T 31489.4-2020 D.C. extruded cables systems for power transmission at a rated voltage up to and including 500kV—Part 4: Accessories for D.C. cables
    额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第4部分：直流电缆附件    		 China National Standards
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    GB/T 31489.3-2020 D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 3: D.C. submarine cables
    额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第3部分：直流海底电缆    		 China National Standards
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    GB/T 31489.2-2020 D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 2: D.C. land cables
    额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第2部分：直流陆地电缆    		 China National Standards
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    GB/T 25795-2020 C.I. Reactive blue 250（Reactive blue KN-RGB）
    C.I.反应蓝250（反应蓝KN-RGB）    		 China National Standards
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    GB/T 31843.450-2019 Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 450：Multiple talkers and multiple listeners—Ethernet interconnection
    海上导航和无线电通信设备及系统 数字接口 第450部分：多发话器和多受话器 以太网连接    		 China National Standards
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    GB/Z 37839-2019 Information model covering the contents of GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656 and GB/T 16901.3
    包含GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656和GB/T 16901.3内容的信息模型    		 China National Standards
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    GB/T 30269.504-2019 Information technology—Sensor networks—Part 504: Identification:Sensor nodes identifier management
    信息技术 传感器网络 第504部分：标识：传感节点标识符管理    		 China National Standards
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    GB/T 8655-2019 Styrene-butadiene rubber (SBR)1500，1502
    苯乙烯-丁二烯橡胶（SBR）1500、1502    		 China National Standards
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    GB/T 29484.509-2019 Electrical installations in ships—Part 509: Operation of electrical installations
    船舶电气设备 第509部分：电气装置操作    		 China National Standards
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    GB/T 20258.4-2019 Data dictionary for fundamental geographic information features—Part 4：Scale of 1:250 000 1:500 000 1:1 000 000
    基础地理信息要素数据字典 第4部分：1∶250 000 1∶500 000 1∶1 000 000 比例尺    		 China National Standards
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    GB/T 20258.3-2019 Data dictionary for fundamental geographic information features—Part 3：Scale of 1:25 000 1:50 000 1:100 000
    基础地理信息要素数据字典 第3部分：1:25 000 1:50 000 1:100 000 比例尺    		 China National Standards
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    GB/T 20258.1-2019 Data dictionary for fundamental geographic information features—Part 1： Scale of 1∶500 1∶1 000 1∶2 000
    基础地理信息要素数据字典 第1部分：1:500 1:1000 1:2000比例尺    		 China National Standards
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    GB/T 50548-2018 Surveying standard for 330kV～750kV overhead transmission lines
    330kV～750kV架空输电线路勘测标准    		 China National Standards
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    GB/T 11313.38-2018 Radio-frequency connectors—Part 38: Sectional specification for 50 Ω model,slide-in radio frequency coaxial connectors (type TMA) for rack and panel applications
    射频连接器 第38部分: 50Ω背板和面板用模块滑入式射频连接器(TMA型)分规范    		 China National Standards
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    GB/T 36501-2018 Soil mapping—Specifications for color and legend of soil maps of China at the scale of 1:25000 1:50000 and 1:100000
    土壤制图 1:25000 1:50000 1:100000中国土壤图用色和图例规范    		 China National Standards
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    GB/T 11313.11-2018 Radio-frequency connectors—Part 11：Sectional specification for RF coaxial connectors with inner diameter of outer conductor 9.5mm (0.374in) with screw coupling with characteristic impedance 50Ω (type 4.1/9.5)
    射频连接器 第11部分：外导体内径为9.5mm(0.374in)、特性阻抗为50Ω、螺纹连接的射频同轴连接器(4.1/9.5型)分规范    		 China National Standards
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    GB/T 11313.15-2018 Radio frequency connectors—Part 15: R.F.coaxial connectors with inner diameter of outer conductor 4.13mm(0.163in), characteristic impedance 50 ohms, screw coupling (Type SMA)
    射频连接器 第15部分:外导体内径为4.13mm(0.163in)、特性阻抗为50Ω、螺纹连接的射频同轴连接器(SMA型)    		 China National Standards
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    GB/T 19443-2017 Insulators for overhead lines with a nominal voltage above 1500V—Ceramic or glass insulator units for d.c. systems—Definitions,test methods and acceptance criteria
    标称电压高于1500V的架空线路用绝缘子 直流系统用瓷或玻璃绝缘子串元件 定义、试验方法及接收准则    		 China National Standards
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    GB/T 34937-2017 Insulators for overhead lines—Composite suspension and tension insulators for d.c.systems with a nominal voltage greater than 1500 V—Definitions, test methods and acceptance criteria
    架空线路绝缘子 标称电压高于1500 V直流系统用悬垂和耐张复合绝缘子 定义、试验方法及接收准则    		 China National Standards
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    GB/T 7602.4-2017 Quantitative determination of T501 oxidation inhibitor content in transformer oil or turbine oil—Part 4: GC/MS method
    变压器油、涡轮机油中T501抗氧化剂含量测定法 第4部分：气质联用法    		 China National Standards
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    GB/T 30269.503-2017 Information technology—Sensor networks—Part 503: Identification: Identifier registration procedures for sensor node
    信息技术 传感器网络 第503部分：标识：传感节点标识符注册规程    		 China National Standards
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    GB/T 29265.502-2017 Information technology—Information device intelligent grouping and resource sharing—Part 502: Remote access test
    信息技术 信息设备资源共享协同服务 第502部分：远程访问测试    		 China National Standards
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    GB/T 20257.1-2017 Cartographic symbols for national fundamental scale maps—Part 1:Specifications for cartographic symbols 1︰500 1︰1 000 & 1︰2 000 topographic maps
    国家基本比例尺地图图式 第1部分：1:500 1:1 000 1:2 000地形图图式    		 China National Standards
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    GB/T 20257.4-2017 Cartographic symbols for national fundamental scale maps—Part4:Specifications for cartographic symbols 1︰250 000 1︰500 000﹠ 1︰1 000 000 topographic maps
    国家基本比例尺地图图式 第4部分：1:250 000 1:500 000 1:1 000 000地形图图式    		 China National Standards
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    GB/T 20257.3-2017 Cartographic symbols for national fundamental scale maps—Part 3：Specifications for cartographic symbols 1:25 000 1:50 000 & 1:100 000 topographic maps
    国家基本比例尺地图图式 第3部分：1:25 000 1:50 000 1:100 000地形图图式    		 China National Standards
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    GB/T 34492-2017 Technical specification of 500kA aluminum electrolytic cell
    500kA铝电解槽技术规范    		 China National Standards
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    GB/T 34579-2017 Methods of measurement and limits for radiated disturbances from plasma display panel equipment in the frequency range 150kHz to 30MHz
    等离子显示设备150kHz～30MHz辐射骚扰限值和测量方法    		 China National Standards
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    GB/T 34634-2017 Geometrical product specifications (GPS)—Measurement of linear sizes (500 mm-10000 mm) of plain workpiece—Choice of measuring instrument
    产品几何技术规范(GPS) 光滑工件尺寸(500mm～10000mm)测量 计量器具选择    		 China National Standards
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    GB/T 34122-2017 Technical specification for configuration of relaying protection and security automatic equipment of AC 220kV～750kV grid
    220kV～750kV电网继电保护和安全自动装置配置技术规范    		 China National Standards
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    GB/T 33786-2017 Reactive red LS-7B(C.I.Reactive red 250)
    反应红LS-7B(C.I.反应红250)    		 China National Standards
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    GB/T 29265.501-2017 Information technology—Information device intelligent grouping and resource sharing—Part 501: Test
    信息技术 信息设备资源共享协同服务 第501部分：测试    		 China National Standards
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    GB/T 14912-2017 Specifications for 1:500 1:1 000 1:2 000 field digital mapping
    1:500 1:1 000 1:2 000外业数字测图规程    		 China National Standards
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    GB/T 5169.16-2017 Fire hazard testing for electric and electronic products—Part 16: Test flames—50W horizontal and vertical flame test methods
    电工电子产品着火危险试验 第16部分：试验火焰 50W水平与垂直火焰试验方法    		 China National Standards
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    GB/T 35642-2017 1:25 000 1:50 000 imagery products of optical remote sensing satellite for surveying and mapping
    1:25 000 1:50 000光学遥感测绘卫星影像产品    		 China National Standards
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    GB/T 9258.3-2017 Coated abrasives—Grain size analysis—Part 3: Determination of grain size distribution of microgrits P240 to P2500
    涂附磨具用磨料 粒度分析 第3部分：微粉P240～P2500粒度组成的测定    		 China National Standards
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    GB/T 30269.502-2017 Information technology—Sensor networks—Part 502: Identification: Identifier resolution for sensor node
    信息技术 传感器网络 第502部分：标识：传感节点标识符解析    		 China National Standards
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    GB/T 5169.17-2017 Fire hazard testing for electric and electronic products—Part 17: Test flames—500W flame test method
    电工电子产品着火危险试验 第17部分：试验火焰 500W火焰试验方法    		 China National Standards
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    GB/T 20438.6-2017 Functional safety of electrical/electronic/programmable electronic safety-related systems—Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3
    电气/电子/可编程电子安全相关系统的功能安全 第6部分：GB/T 20438.2和GB/T 20438.3的应用指南    		 China National Standards
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    GB/T 1408.3-2016 Insulating materials—Test methods for electric strength—Part 3: Additional requirements for 1.2/50 μs impulse tests
    绝缘材料 电气强度试验方法 第3部分：1.2/50μs冲击试验补充要求    		 China National Standards
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    GB/T 33297-2016 All glass evacuated solar collector tube for medium temperature（100 ℃ to 150 ℃）
    中温（100 ℃～150 ℃）全玻璃真空太阳集热管    		 China National Standards
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    GB/T 33199.1-2016 Mechanical vibration—Torsional vibration of rotating machinery— Part 1: Land-based steam and gas turbine generator sets in excess of 50 MW
    机械振动 旋转机械扭振 第1部分：50MW以上陆地安装的透平和燃气轮机发电机组    		 China National Standards
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    GB/T 33175-2016 National fundamental scale maps—1:500 1:1 000 & 1:2 000 orthophoto maps
    国家基本比例尺地图 1:500 1:1 000 1:2 000正射影像地图    		 China National Standards
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    GB/T 33176-2016 National fundamental scale maps—1:500 1:1 000 &1:2 000 topographic maps
    国家基本比例尺地图 1:500 1:1 000 1:2 000地形图    		 China National Standards
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    GB/T 33181-2016 National fundamental scale maps 1:250 000 1:500 000 1:1 000 000 topographic maps
    国家基本比例尺地图 1:250 000 1:500 000 1:1 000 000地形图    		 China National Standards
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    GB/T 33180-2016 National fundamental scale maps 1:25 000 1:50 000 1:100 000 topographic maps
    国家基本比例尺地图 1:25 000 1:50 000 1:100 000地形图    		 China National Standards
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    GB/T 33179-2016 National fundamental scale maps 1:25 000 1:50 000 1:100 000 orthophoto maps
    国家基本比例尺地图 1:25 000 1:50 000 1:100 000正射影像地图    		 China National Standards
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    GB/T 33178-2016 National fundamental scale maps 1:250 000 1:500 000 1:1 000 000 orthophoto maps
    国家基本比例尺地图 1:250 000 1:500 000 1:1000 000正射影像地图    		 China National Standards
    50
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    GB/T 33183-2016 Fundamental geographic information—Specifications for 1:50 000 topographic data
    基础地理信息 1:50 000地形要素数据规范    		 China National Standards
    50
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    GB/T 32738-2016 Soil mapping—Specifications for digitizing soil maps at the scale of 1:50,000 and 1:100,000
    土壤制图 1：50 000和1：100 000土壤图数字化规范    		 China National Standards
    50
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    GB/T 32890-2016 Data model of protective relays based on IEC 61850
    继电保护 IEC 61850 工程应用模型    		 China National Standards
    50
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    GB/T 32874-2016 Technical rules for producing 3D digital surveying and mapping achievements in scale of 1:10 000 1:50 000 based on airborne InSAR
    机载InSAR系统测制1:10 000 1:50 000 3D产品技术规程    		 China National Standards
    50
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    GB/T 32497-2016 Test method of ballistic resistance against fragment simulating projectiles for fiber-reinforced composites—V50 method
    纤维增强复合材料抗破片模拟弹性能试验方法 V50法    		 China National Standards
    50
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    GB/T 32538.1-2016 Agricultural vehicles—Mechanical connections on towed vehicles—Part 1: Dimensions for hitch rings of 50/30 mm cross section
    农业车辆 被牵引车辆的机械连接装置 第1部分：50mm/30mm横截面的挂接环尺寸    		 China National Standards
    50
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    GB 23200.15-2016 National Food Safety Standards—Determination of 503 pesticides residues in mushrooms Gas chromatography-mass spectrometry
    食品安全国家标准 食用菌中503种农药及相关化学品残留量的测定 气相色谱-质谱法    		 China National Standards
    50
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    GB 23200.8-2016 National food safety standards—Determination of 500 pesticides and related chemicals residues in fruits and vegetables Gas chromatography-mass spectrometry
    食品安全国家标准 水果和蔬菜中500种农药及相关化学品残留量的测定 气相色谱-质谱法    		 China National Standards
    50
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    GB/T 11313.29-2015 Radio frequency connectors—Part 29: Sectional specification for miniature radio frequency coaxial connector(type 1.0/2.3)with screw, snap-on, push-pull or quick-lock,slide-in （rack and panel applications）mechanism with characteristic impedance 50Ω
    射频连接器 第29部分：50Ω和75Ω用特性阻抗为50Ω、具有螺纹、推拉、快锁或滑轨式机架或面板用小型射频同轴连接器（1.0/2.3型）分规范    		 China National Standards
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    GB/T 18216.9-2015 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c.—Equipment for testing, measuring or monitoring of protective measures—Part 9: Equipment for insulation fault location in IT systems
    交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第9部分：IT系统中的绝缘故障定位设备    		 China National Standards
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    GB/T 18216.8-2015 Electrical safty in low voltage distribution systems up to 1000V a.c and 1500V d.c—Equipment for testing, measuring or monitoring of protective measures—Part 8: Insulation monitoring devices for IT systems
    交流1000V和直流1500V以下低压配电系统电气安全 防护设施的试验、测量或监控设备 第8部份：IT系统中绝缘监控装置    		 China National Standards
    50
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    GB/T 5169.22-2015 Fire hazard testing for electric and electronic products—Part 22: Test flames—50W flame—Apparatus and confirmational test method
    电工电子产品着火危险试验 第22部分：试验火焰 50W火焰 装置和确认试验方法    		 China National Standards
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    GB/T 5169.15-2015 Fire hazard testing for electric and electronic products—Part 15: Test flames—500W flames—Apparatus and confirmational test methods
    电工电子产品着火危险试验 第15部分：试验火焰 500W火焰 装置和确认试验方法    		 China National Standards
    50
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    GB/T 31983.11-2015 Narrow band power line communication over low-voltage mains—Part 11: 3 kHz to 500 kHz frequency bands and classifications, limits of output level and electromagnetic disturbances
    低压窄带电力线通信 第11部分：3 kHz～500 kHz频带划分、输出电平和电磁骚扰限值    		 China National Standards
    50
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    GB/T 11313.8-2015 Radio-frequency connectors—Part 8: Sectional specification for RF coaxial connectors with inner diameter of outer conductor 6.5 mm (0.256 in) with bayonet lock—Characteristic impedance 50Ω（75Ω）(type BNC)
    射频连接器 第8部分：外导体内径为6.5mm(0.256in)、特性阻抗为50Ω（75Ω）、卡口连接的射频同轴连接器（BNC型）分规范    		 China National Standards
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    GB/T 11313.16-2015 Radio-frequency connectors—Part 16：Sectional specification for RF coaxial connectors with inner diameter of outer conductor 7 mm (0.276 in) with screw coupling—Characteristics impedance 50 Ω (75 Ω) (type N)
    射频连接器 第16部分：外导体内径为7mm（0.276in）、特性阻抗为50Ω（75Ω）、螺纹连接的射频同轴连接器（N型）分规范    		 China National Standards
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    GB/T 31489.1-2015 DC extruded cable systems for power transmission at a rated voltage up to and including 500kV―Part 1: Test methods and requirements
    额定电压500kV及以下直流输电用挤包绝缘电力电缆系统 第1部分：试验方法和要求    		 China National Standards
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    GB/T 31462-2015 Main body technical specification for 500 kV and 750 kV multistage controlled shunt reactors
    500 kV和750 kV级分级式可控并联电抗器本体技术规范    		 China National Standards
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    GB/T 21890-2015 Acid brilliant yellow P-4R 150％(C．I． Acid yellow 42)
    酸性艳黄 P-4R 150％（C．I．酸性黄42）    		 China National Standards
    50
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    GB/T 30269.501-2014 Information technology―Sensor networks―Part 501: Identification: Identifier encoding rules for sensor node
    信息技术 传感器网络 第501部分：标识：传感节点标识符编制规则    		 China National Standards
    50
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    GB/T 51071-2014 Code for design of 330kV～750kV smart substation
    330kV~750kV智能变电站设计规范    		 China National Standards
    50
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    GB 50233-2014 Code for construction and acceptance of 110kV~750kV overhead transmission line
    110kV~750kV架空输电线路施工及验收规范    		 China National Standards
    50
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    GB/T 30757-2014 Classification of basic dense shaped refractory products containing from 7% to 50% residual carbon
    残碳量7％～50％的碱性致密定形耐火制品分类    		 China National Standards
    50
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    GB/T 18851.5-2014 Non-destructive testing―Penetrant testing―Part 5: Penetrant testing at temperatures higher than 50 ℃
    无损检测 渗透检测 第5部分：温度高于50℃的渗透检测    		 China National Standards
    50
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    GB/T 30145-2013 Specification for YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications（Frame size 450 to 500)
    YZP系列起重及冶金用变频调速三相异步电动机技术条件（机座号450～500）    		 China National Standards
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    GB/T 14054-2013 Radiation protection instrumentation - Installed dose rate meters，warning assemblies and monitors for X and gamma radiation of energy between 50 keVand 7 MeV
    辐射防护仪器 能量在50 keV～7 MeV的Ｘ和γ辐射固定式剂量率仪、报警装置和监测仪    		 China National Standards
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    GB/T 5013.8-2013 Rubber insulated cables - Rated voltages up to and including 450/750V - Part 8:Cords for applications requiring high flexibility
    额定电压450/750V及以下橡皮绝缘电缆 第8部分：特软电线    		 China National Standards
    50
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    GB/T 29484-2013 Electrical installations in ships - Part 503: Special features - AC supply systems with voltages in the range of above 1 kV up to and including 15 kV
    船舶电气设备 第503部分：专辑 电压1kV以上至不大于15kV的交流供电系统    		 China National Standards
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    GB/T 15370.1-2012 General requirement of agricultural tractors - Part 1: Under 50 kW wheeled tractors
    农业拖拉机 通用技术条件 第1部分：50kW以下轮式拖拉机    		 China National Standards
    50
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    GB/T 29232-2012 Network adapter of 650nm 100Mbps ethernet for plastic optical fiber
    650nm百兆以太网塑料光纤网络适配器    		 China National Standards
    50
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    GB/T 29231-2012 Opto-electronic-opto transceiver of 650nm 100Mbps ethernet for plastic optical fiber transmission system
    塑料光纤系统用650nm百兆以太网光-电-光转发器    		 China National Standards
    50
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    GB/T 29230.1-2012 Opto-electronic-opto bidirectional wavelength converter for plastic optical fiber transmission system - Part 1: Wavelength converter between 650nm and 1550nm (or 1310nm or 850nm) of 100Mbps ethernet
    塑料光纤系统用光-电-光双向波长转换器 第1部分：百兆以太网650nm与1550nm/1310nm/850nm波长转换器    		 China National Standards
    50
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    GB/T 28811-2012 High-voltage switchgear and controlgear - Digital interfaces based on IEC 61850
    高压开关设备和控制设备 基于IEC 61850的数字接口    		 China National Standards
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    GB/T 6075.2-2012 Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 2: Land-based steam turbines and generators in excess of 50MW with normal operating speeds of 1500r/min，1800r/min，3000r/min and 3600r/min
    机械振动 在非旋转部件上测量评价机器的振动 第2部分：50MW以上，额定转速1500 r/min、1800 r/min、3000 r/min、3600 r/min陆地安装的汽轮机和发电机    		 China National Standards
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    GB/T 11348.2-2012 Mechanical vibration - Evaluation of machines vibration by measurements on rotating shafts - Part 2: Land-based steam turbine - generators in excess of 50MW with normal operating speeds of 1500r/min，1800r/min，3000r/min and 3600r/min
    机械振动 在旋转轴上测量评价机器的振动 第2部分：功率大于50MW,额定工作转速1500 r/min、1800 r/min、3000 r/min、3600 r/min陆地安装的汽轮机和发电机    		 China National Standards
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    GB/T 18216.5-2012 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth
    交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第5部分：对地阻抗    		 China National Standards
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    GB/T 18216.4-2012 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
    交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第4部分：接地电阻和等电位接地电阻    		 China National Standards
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    GB/T 18216.3-2012 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
    交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第3部分：环路阻抗    		 China National Standards
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    GB/T 18216.2-2012 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
    交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第2部分：绝缘电阻    		 China National Standards
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    GB/T 18216.1-2012 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements
    交流1000V和直流1500V以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第1部分：通用要求    		 China National Standards
    50
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    GB/T 16608.50-2012 Electromechanical all-or-nothing relays - Part 50: Sectional specification - Electromechanical all-or-nothing telecom relays of assessed quality
    有或无机电继电器 第50部分：分规范 电信用有质量评定的有或无机电继电器    		 China National Standards
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    GB/T 28429-2012 DC Traction power cables and accessories up to 1500V for urban rail transit
    轨道交通1500V及以下直流牵引电力电缆及附件    		 China National Standards
    50
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    GB/T 17157-2012 Specifications for aerial photogrammetric analytical mapping of 1:25 000 1:50 000 1:100 000 topographic maps
    1:25 000 1:50 000 1:100 000地形图航空摄影测量解析测图规范    		 China National Standards
    50
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    GB/T 16819-2012 Specifications for planetabling of 1:500 1:1 000 1:2 000 topographic maps
    1:500 1:1 000 1:2 000地形图平板仪测量规范    		 China National Standards
    50
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    GB/Z 25320.6-2011 Power systems management and associated information exchange - Data and communications security - Part 6: Security for IEC 61850
    电力系统管理及其信息交换 数据和通信安全 第6部分：IEC 61850的安全    		 China National Standards
    50
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    GB/T 27702-2011 Information and documentation - Information retrieval(Z39.50) - Application service definition and protocol specification
    信息与文献 信息检索(Z39.50)应用服务定义和协议规范    		 China National Standards
    50
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    GB/T 16656.508-2010 Industrial automation systems and integration - Product data representation and exchange - Part 508：Application interpreted construct：Non-manifold surface
    工业自动化系统与集成 产品数据表达与交换 第 508 部分：应用解释构造：非流形曲面    		 China National Standards
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    GB/T 18216.12-2010 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performances measuring and monitoring devices (PMD)
    交流1000V和直流1500V以下低压配电系统电气安全防护措施的试验、测量或监控设备 第12部分：性能测量和监控装置（PMD）    		 China National Standards
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    GB/T 16656.509-2010 Industial automation systems and integration - Product data representation and exchage - Part 509: Application interpreted construct: Manifold surface
    工业自动化系统与集成 产品数据表达与交换 第509部分：应用解释构造：流形曲面    		 China National Standards
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    GB/T 16656.507-2010 Industrial automation systems and integration - Product data representation and exchange - Part 507: Application interpreted construct: Geometrically bounded surfacee
    工业自动化系统与集成 产品数据表达与交换 第507部分：应用解释构造：几何有界曲面    		 China National Standards
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    GB/T 16656.506-2010 Industrial automation systems and integration - Product data representation and exchange - Part 506: Application interpreted construct: Draughting element
    工业自动化系统与集成 产品数据表达与交换 第506部分：应用解释构造：绘图元素    		 China National Standards
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    GB/T 16656.505-2010 Industrial automation systems and integration - Product data representation and exchange - Part 505: Application interpreted construct: Drawing structure and administration
    工业自动化系统与集成 产品数据表达与交换 第505部分：应用解释构造：图样结构与管理    		 China National Standards
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    GB/T 16656.504-2010 Industrial automation systems and integration - Product data representation and exchange - Part 504: Aplication interpreted construct: Draughting annotation
    工业自动化系统与集成 产品数据表达与交换 第504部分：应用解释构造：绘图注释    		 China National Standards
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    GB/T 25818-2010 Acid brilliant blue P - RL（C.I. Acid blue 350）
    酸性艳蓝P-RL（C.I.酸性蓝350）    		 China National Standards
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    GB/T 25817-2010 Acid golden yellow P - R 350%（C.I. Acid yellow 159）
    酸性金黄P-R 350%（C.I.酸性黄159）    		 China National Standards
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    GB/T 25795-2010 Reactive blue KN-RGB（C.I. Reactive blue 250）
    反应蓝KN-RGB（C.I.反应蓝250）    		 China National Standards
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    GB/T 25793-2010 Reactive yellow KN-GR 150%（C.I. Reactive yellow 15）
    反应黄KN-GR 150%（C.I.反应黄15）    		 China National Standards
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    GB/T 25790-2010 Reactive orange KN-3R 150%（C.I. Reactive orange 16）
    反应橙KN-3R 150%（C.I.反应橙16）    		 China National Standards
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    GB/T 25060-2010 Information security techniques - Public key infrastructure - Interface specification of X.509 digital certificates application
    信息安全技术 公钥基础设施 X.509数字证书应用接口规范    		 China National Standards
    50
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    GB 24906-2010 Self-ballasted LED-Lamps for general lighting services >50V safety specifications
    普通照明用50V以上自镇流LED灯　安全要求    		 China National Standards
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    GB 50548-2010 Code for investigation and surveying of 330kV~750kV overhead transmission line
    330kV~750kV架空输电线路勘测规范    		 China National Standards
    50
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    GB 50545-2010 Code for design of 110KV~750KV overhead transmission line
    110KV~750KV架空输电线路设计规范    		 China DL-Electricity & Power Industry Standards
    50
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    GB/T 15370.2-2009 General requirement of agricultural tractors - Part 2: 50 kW～130 kW wheeled tractors
    农业拖拉机 通用技术条件 第2部分：50kW～130kW轮式拖拉机    		 China National Standards
    50
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    GB/T 24124-2009 C850 system phenolic resins cotton cloth laminated sheets
    C850系列酚醛棉布层压板    		 China National Standards
    50
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    GB/T 13255.1-2009 Test methods of caprolactam for industrial use - Part 1: Determination of colourity of 50% aqueous caprolactam solution - Spectrometric method
    工业用己内酰胺试验方法 第1部分：50%水溶液色度的测定 分光光度法    		 China National Standards
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    GB/T 23753-2009 Specification and technical requirements for 330kV and 500kV oil- immersed shunt reactors
    330kV及500kV油浸式并联电抗器技术参数和要求    		 China National Standards
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    GB/T 12343.3-2009 Compilation specifications for national fundamental scale maps - Part 3: Compilation specifications for 1:500 000 1:1 000 000 topographic maps
    国家基本比例尺地图编绘规范 第3部分：1:500 000 1:1 000 000地形图编绘规范    		 China National Standards
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    GB/T 9332-2008 Electrical installations in ships - Cables for control and instrumentation circuits 150/250V(300V)
    船舶电气装置 控制和仪器回路用150/250V（300V）电缆    		 China National Standards
    50
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    GB/T 23216-2008 Determination of 503 pesticides and related chemicals residues in mushrooms - GC-MS method
    食用菌中503种农药及相关化学品残留量的测定 气相色谱-质谱法    		 China National Standards
    50
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    GB/T 23214-2008 Determination of 450 pesticides and related chemicals residues in drinking water - LC-MS-MS method
    饮用水中450种农药及相关化学品残留量的测定 液相色谱-串联质谱法    		 China National Standards
    50
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    GB/T 23208-2008 Determination of 450 pesticides and related chemicals residues in fugu, eel and prawn - LC-MS-MS method
    河豚鱼、鳗鱼和对虾中450种农药及相关化学品残留量的测定 液相色谱-串联质谱法    		 China National Standards
    50
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    GB/T 20769-2008 Determination of 450 pesticides and related chemicals residues in fruits and vegetables - LC-MS-MS method
    水果和蔬菜中450种农药及相关化学品残留量的测定 液相色谱-串联质谱法    		 China National Standards
    50
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    GB/T 7602.3-2008 Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 3: Infrared spectroscopy method
    变压器油、汽轮机油中T501抗氧化剂含量测定法 第3部分：红外光谱法    		 China National Standards
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    GB/T 7602.2-2008 Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 2: Liquid chromatography
    变压器油、汽轮机油中T501抗氧化剂含量测定法 第2部分：液相色谱法    		 China National Standards
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    GB/T 5169.23-2008 Fire hazard testing for electric and electronic products - Part 23: Test flames-500W vertical flame test method for tubular polymeric materials
    电工电子产品着火危险试验 第23部分：试验火焰 管形聚合材料500W垂直火焰试验方法    		 China National Standards
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    GB 9706.5-2008 Medical electrical equipment - Part 2-1: Particular requirements for the safety of electron accelerators in the range 1 MeV to 50 MeV
    医用电气设备 第2部分：能量为1MeV至50 MeV电子加速器安全专用要求    		 China National Standards
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    GB/T 5009.207-2008 Determination of 50 organophosphorus pesticides residues in unpolished rice
    糙米中50种有机磷农药残留量的测定    		 China National Standards
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    GB/T 22409-2008 Photography - Processing chemicals - Specifications for possium sulfite solution，650g/L
    摄影 加工用化学品 亚硫酸钾溶液(650g/L)    		 China National Standards
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    GB 22448-2008 Protection rules for industrial X-ray radiographic equipment up to 500kV
    500kV以下工业X射线探伤机防护规则    		 China National Standards
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    GB/T 7602.1-2008 Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 1: Spectrophotometric method
    变压器油、汽轮机油中T501抗氧化剂含量测定法 第1部分：分光光度法    		 China National Standards
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    English PDF
    GB/T 12343.2-2008 Compilation specifications for national fundamental scale maps - Part 2: compilation specifications for 1:250 000 topographic maps
    国家基本比例尺地图编绘规范 第2部分：1:250 000地形图编绘规范    		 China National Standards
    50
    English PDF
    GB/T 9326.5-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 5: Pressure tanks
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第5部分: 压力供油箱    		 China National Standards
    50
    English PDF
    GB/T 9326.4-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 4: Joint
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第4部分: 接头    		 China National Standards
    50
    English PDF
    GB/T 9326.3-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 3: Sealing end
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第3部分: 终端    		 China National Standards
    50
    English PDF
    GB/T 9326.2-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 2：Oil-filled paper insulated, lead-sheathed cables for alternating voltages up to and including
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第2部分: 交流500kV及以下纸绝缘铅套充油电缆    		 China National Standards
    50
    English PDF
    GB/T 9326.1-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 1: Test
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第1部分: 试验    		 China National Standards
    50
    English PDF
    GB/T 5023.7-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 7：Flexible cables screened and unscreened with two or more conductors
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第7部分：二芯或多芯屏蔽和非屏蔽软电缆    		 China National Standards
    50
    English PDF
    GB/T 5023.5-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 5：Flexible cables (cords)
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第5部分：软电缆（软线）    		 China National Standards
    50
    English PDF
    GB/T 5023.4-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 4：Sheathed cables for fixed wiring
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第4部分：固定布线用护套电缆    		 China National Standards
    50
    English PDF
    GB/T 5023.3-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 3：Non-sheathed cables for fixed wiring
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第3部分：固定布线用无护套电缆    		 China National Standards
    50
    English PDF
    GB/T 5023.2-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 2：Test methods
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第2部分：试验方法    		 China National Standards
    50
    English PDF
    GB/T 5023.1-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 1：General requirements
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第1部分：一般要求    		 China National Standards
    50
    English PDF
    GB/T 22078.3-2008 Power cables with cross-linked polyethylene insulation and theiraccessories for rated voltage of 500kV(Um=550kV) - Part 3: Accessories for power cables with cross-linked polyethylene insulation for rated voltage of 500kV (Um=550kV)
    额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 第3部分: 额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆附件    		 China National Standards
    50
    English PDF
    GB/T 22078.2-2008 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) - Part2: Power cables with cross-linked polyethylene insulation for rated voltage of 500kV (Um=550kV)
    额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 第2部分: 额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆    		 China National Standards
    50
    English PDF
    GB/T 22078.1-2008 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV(Um=550kV) - Part 1: Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) -
    额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 第1部分: 额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 试验方法和要求    		 China National Standards
    50
    English PDF
    GB/T 7931-2008 Specifications for aerophotogrammetric field work of 1:500 1:1 000 1:2 000 topographic maps
    1:500 1:1 000 1:2 000 地形图航空摄影测量外业规范    		 China National Standards
    50
    English PDF
    GB/T 7930-2008 Specifications for aerophotogrammetric office operation of 1:500 1:1 000 1:2 000 topographic maps
    1:500 1:1 000 1:2 000 地形图航空摄影测量内业规范    		 China National Standards
    50
    English PDF
    GB/T 17160-2008 Specifications for digitizing 1:500 1:1 000 and 1:2 000 topographic maps
    1:500 1:1 000 1:2 000地形图数字化规范    		 China National Standards
    50
    English PDF
    GB/T 15967-2008 Specifications for aerial photogrammetric digital mapping of 1:500 1:1000 1:2000 topographic maps
    1:500 1:1 000 1:2 000 地形图航空摄影测量数字化测图规范    		 China National Standards
    50
    English PDF
    GB/T 15661-2008 Specifications for aerial photography of 1:5 000 1:10 000 1:25 000 1:50 000 1:100 000 topographic maps
    1:5 000 1:10 000 1:25 000 1:50 000 1:100 000 地形图航空摄影规范    		 China National Standards
    50
    English PDF
    GB/T 12343.1-2008 Compilation specifications for national fundamental scale maps - Part 1:compilation specifications for 1:25 000 1:50 000 1:100 000 topographic maps
    国家基本比例尺地图编绘规范 第1部分: 1:25 000 1:50 000 1:100 000地形图编绘规范    		 China National Standards
    50
    English PDF
    GB/T 12341-2008 Specifications for aerophotogrammetric field work of 1:25 000 1:50 000 1:100 000 topographic maps
    1:25 000 1:50 000 1:100 000 地形图航空摄影测量外业规范    		 China National Standards
    50
    English PDF
    GB/T 12340-2008 Specifications for aerophotogrammetric office operation of 1:25 000 1:50 000 1:100 000 topographic maps
    1:25 000 1:50 000 1:100 000地形图航空摄影测量内业规范    		 China National Standards
    50
    English PDF
    GB/T 5169.17-2008 Fire hazard testing for electric and electronic products - Part 17: Test flames - 500W flame test methods
    电工电子产品着火危险试验 第17部分: 试验火焰 500W 火焰试验方法    		 China National Standards
    50
    English PDF
    GB/T 5169.16-2008 Fire hazard testing for electric and electronic products - Part 16: Test flames - 50W horizontal and vertical flame test methods
    电工电子产品着火危险试验 第16部分: 试验火焰 50W 水平与垂直火焰试验方法    		 China National Standards
    50
    English PDF
    GB/T 21888-2008 Acid brilliant red P-9B 150%（C.I. Acid red 131）
    酸性艳红P-9B 150%（C.I.酸性红131）    		 China National Standards
    50
    English PDF
    GB/T 15972.50-2008 Specifications for optical fibre test methods - Part 50: Measurement methods and test procedures for environmental characteristics - Damp heat(steady state)
    光纤试验方法规范 第50部分：环境性能的测量方法和试验程序 恒定湿热    		 China National Standards
    50
    English PDF
    GB/T 21408-2008 Glass plant,pipeline and fittings - Pipeline and fittings of nominal bore 15 to150mm - Compatibility and interchangeability
    玻璃设备、管道和管件 15mm～150mm口径管道和管件的通用性和互换性    		 China National Standards
    50
    English PDF
    GB/T 5013.7-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 7：Heat resistant ethylene-vinyl acetate rubber insulated cables
    额定电压450/750V及以下橡皮绝缘电缆 第7部分：耐热乙烯-乙酸乙烯酯橡皮绝缘电缆    		 China National Standards
    50
    English PDF
    GB/T 5013.6-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 6：Arc welding electrode cables
    额定电压450/750V及以下橡皮绝缘电缆 第6部分：电焊机电缆    		 China National Standards
    50
    English PDF
    GB/T 5013.5-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 5：Lift cables
    额定电压450/750V及以下橡皮绝缘电缆 第5部分：电梯电缆    		 China National Standards
    50
    English PDF
    GB/T 5013.4-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 4：Cords and flexible cables
    额定电压450/750V及以下橡皮绝缘电缆 第4部分：软线和软电缆    		 China National Standards
    50
    English PDF
    GB/T 5013.3-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 3：Heat resistant silicone insulated cables
    额定电压450/750V及以下橡皮绝缘电缆 第3部分：耐热硅橡胶绝缘电缆    		 China National Standards
    50
    English PDF
    GB/T 5013.2-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 2：Test methods
    额定电压450/750V及以下橡皮绝缘电缆 第2部分：试验方法    		 China National Standards
    50
    English PDF
    GB/T 5013.1-2008 Rubber insulated cables of rated voltages up to and including 450/750V - Part 1: General requirements
    额定电压450/750V及以下橡皮绝缘电缆 第1部分：一般要求    		 China National Standards
    50
    English PDF
    GB/T 1408.3-2007 Electric strength of insulating materials test methods - Part 3: Additional requirements for 1,2/50μs impulse tests
    绝缘材料电气强度试验方法 第3部分：1.2/50μs脉冲试验补充要求    		 China National Standards
    50
    English PDF
    GB/T 21161-2007 Agricultural trailers - Single-acting telescopic tipping cylinders - 25MPa(250bar)series - Types1，2and3 - Interchangeability dimensions
    农用挂车 单作用套筒伸缩油缸25MPa（250bar）系列Ⅰ型、Ⅱ型和Ⅲ型互换尺寸    		 China National Standards
    50
    English PDF
    GB/T 20258.4-2007 Data dictionary for fundamental geographic information features - Part 4：data dictionary for fundamental geographic information features of 1:250 000 1:500 000 1:1 000 000 scale
    基础地理信息要素数据字典 第4部分：1:250 000 1:500 000 1:1 000 000基础地理信息要素数据字典    		 China National Standards
    50
    English PDF
    GB/T 20258.1-2007 Data dictionary for fundamental geographic information features - Part 1：data dictionary for fundamental geographic information features of 1∶500 1∶1 000 1∶2 000 scale
    基础地理信息要素数据字典 第1部分：1:500 1:1000、1:2000基础地理信息要素数据字典    		 China National Standards
    50
    English PDF

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