China 4 GB Standards List

China "4" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 14352.24-2022	Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: Determination of germanium content - Inductively coupled plasma mass spectrometry {译} 钨矿石、钼矿石化学分析方法第24部分：锗含量的测定电感耦合等离子体质谱法	China National Standards 4	English PDF
GB/T 19721.4-2022	Marine Forecast and Warning Issuance Part 4: Tsunami Warning Issuance {译} 海洋预报和警报发布第4部分：海啸警报发布	China National Standards 4	English PDF
GB/T 3565.4-2022	Safety requirements for bicycles - Part 4: Test methods for brakes {译} 自行车安全要求第4部分：车闸试验方法	China National Standards 4	English PDF
GB/T 42086.2-2022	Hydraulic transmission connection - Flange connection - Part 2: 42 MPa, DN13～DN76 series {译} 液压传动连接法兰连接第2部分: 42 MPa、DN13～DN76系列	China National Standards 4	English PDF
GB 7300.403-2022	Feed additives - Part 4: Enzyme preparations - Cellulase {译} 饲料添加剂第4部分：酶制剂纤维素酶	China National Standards 4	English PDF
GB/T 41734.1-2022	Radio Frequency Identification of Animals Part 1: Consistency Assessment of Radio Frequency Identification Labels with GB/T 20563 and GB/T 22334 (Including the Issuance and Use of Manufacturer Codes) {译} 动物射频识别第1部分：射频识别标签与GB/T 20563和GB/T 22334的一致性评估（包括制造商代码的发放和使用）	China National Standards 4	English PDF
GB/T 12085.14-2022	Optics and photonics - Environmental test methods - Part 14: Dew, frost, ice {译} 光学和光子学环境试验方法第14部分：露、霜、冰	China National Standards 4	English PDF
GB/T 12085.4-2022	Optics and photonics - Environmental test methods - Part 4: Salt spray {译} 光学和光子学环境试验方法第4部分：盐雾	China National Standards 4	English PDF
GB/T 14048.22-2022	Low-voltage switchgear and controlgear - Part 7-4: Auxiliary devices - PCB terminal blocks for copper conductors {译} 低压开关设备和控制设备第7-4部分：辅助器件铜导体的PCB接线端子排	China National Standards 4	English PDF
GB/T 38659.4-2022	Electromagnetic compatibility - Risk assessment - Part 4: System risk analysis method {译} 电磁兼容风险评估第4部分：系统风险分析方法	China National Standards 4	English PDF
GB/T 41771.4-2022	Field Device Integration Part 4: Packages {译} 现场设备集成第4部分：包	China National Standards 4	English PDF
GB/T 25068.4-2022	Information technology Security technology Network security Part 4: Inter-network communication security protection using security gateways {译} 信息技术安全技术网络安全第4部分：使用安全网关的网间通信安全保护	China National Standards 4	English PDF
GB/T 20840.14-2022	Transformers - Part 14: Supplementary technical requirements for DC current transformers {译} 互感器第14部分：直流电流互感器的补充技术要求	China National Standards 4	English PDF
GB/T 5169.47-2022	Fire Hazard Tests for Electric and Electronic Products - Part 47: Guidelines for Classification of Electric Power and Energy in Relation to the Probability of Ignition and Fire for Low-Voltage Electrical Products {译} 电工电子产品着火危险试验第47部分：与低压电工产品起燃和着火概率相关的电功率和能量分级导则	China National Standards 4	English PDF
GB/T 18663.4-2022	Mechanical construction of electronic equipment - Tests for metric and imperial series - Part 4: Combinations of performance levels for modular cabinets {译} 电子设备机械结构　公制系列和英制系列的试验　第4部分：模数机柜的性能等级组合	China National Standards 4	English PDF
GB/T 40694.4-2022	Information technology - Diagrams, icons and symbols for use in biometric identification systems - Part 4: Fingerprint applications {译} 信息技术用于生物特征识别系统的图示、图标和符号第4部分：指纹应用	China National Standards 4	English PDF
GB/T 28826.4-2022	Information technology - Common biometric interchange format framework - Part 4: Security block format specification {译} 信息技术公用生物特征识别交换格式框架第4部分：安全块格式规范	China National Standards 4	English PDF
GB/T 35031.4-2022	User end energy management system Part 4: Information exchange specification between master station and gateway {译} 用户端能源管理系统第4部分：主站与网关信息交互规范	China National Standards 4	English PDF
GB/T 5169.44-2022	Fire Hazard Tests for Electrical and Electronic Products - Part 44: Guidelines for Fire Hazard Assessment Fire Hazard Assessment {译} 电工电子产品着火危险试验第44部分：着火危险评定导则着火危险评定	China National Standards 4	English PDF
GB/T 38664.4-2022	Information technology big data government data open sharing part 4: sharing evaluation {译} 信息技术大数据政务数据开放共享第4部分：共享评价	China National Standards 4	English PDF
GB/T 32561.4-2022	Infrared Optical Chalcogenide Glass Test Method Part 4: Optical Absorption Coefficient {译} 红外光学硫系玻璃测试方法第4部分：光吸收系数	China National Standards 4	English PDF
GB/T 41866.4-2022	Systems and software engineering—Information technology project performance benchmarking measurement framework—Part 4: Data collection and maintenance {译} 系统与软件工程信息技术项目绩效基准度量框架第4部分：数据收集和维护	China National Standards 4	English PDF
GB/T 19892.4-2022	Batch control - Part 4: Batch production records {译} 批控制第4部分：批生产记录	China National Standards 4	English PDF
GB/T 36917.4-2022	Dentistry - Laboratory cutting tools - Part 4: Microtungsten carbide cutting tools for laboratory use {译} 牙科学技工室用刃具第4部分：技工室用微型硬质合金刃具	China National Standards 4	English PDF
GB 17799.4-2022	Electromagnetic compatibility - Generic standards - Part 4: Emissions in industrial environments {译} 电磁兼容通用标准第4部分：工业环境中的发射	China National Standards 4	English PDF
GB/T 25742.4-2022	Machine condition monitoring and diagnostics - Data processing, communication and presentation - Part 4: Presentation {译} 机器状态监测与诊断数据处理、通信与表示第4部分：表示	China National Standards 4	English PDF
GB/T 41979.4-2022	Friction stir spot welding of aluminum and aluminum alloys - Part 4: Welding procedure specification and qualification {译} 搅拌摩擦点焊铝及铝合金第4部分:焊接工艺规程及评定	China National Standards 4	English PDF
GB/T 41734.3-2022	Radio Frequency Identification of Animals Part 3: Performance Evaluation of Radio Frequency Identification Tags Conforming to GB/T 20563 and GB/T 22334 {译} 动物射频识别第3部分：符合GB/T 20563和GB/T 22334的射频识别标签性能评估	China National Standards 4	English PDF
GB/T 41734.2-2022	Radio Frequency Identification of Animals Part 2: Consistency Assessment of Radio Frequency Identification Readers and GB/T 20563 and GB/T 22334 {译} 动物射频识别第2部分：射频识别读写器与GB/T 20563和GB/T 22334的一致性评估	China National Standards 4	English PDF
GB/T 17934.4-2022	Printing technology - Process control of halftone color separation plates, proofs and production prints - Part 4: Publishing gravure printing {译} 印刷技术网目调分色版、样张和生产印刷品的加工过程控制第4部分：出版凹印	China National Standards 4	English PDF
GB/T 3488.4-2022	Cemented carbide - Metallographic determination of microstructure - Part 4: Metallographic determination of porosity, non-combined carbon defects and decarburized phases {译} 硬质合金显微组织的金相测定第4部分：孔隙度、非化合碳缺陷和脱碳相的金相测定	China National Standards 4	English PDF
GB/T 8423.4-2022	Terminology for the oil and gas industry - Part 4: Oil and gas metering and analysis {译} 石油天然气工业术语第4部分：油气计量与分析	China National Standards 4	English PDF
GB 9706.243-2021	Medical electrical equipment—Part 2-43: Particular requirements for the basic safety and essential performance of X-ray equipment for interventional procedures 医用电气设备第2-43部分：介入操作X射线设备的基本安全和基本性能专用要求	China National Standards 4	English PDF
GB/T 40323-2021	Determination of octamethylcyclotetrasiloxane(D4)， decamethylcyclopentasiloxane(D5) and dodecamethylcyclohexasiloxane(D6) in textile dyeing and finishing auxiliaries 纺织染整助剂产品中八甲基环四硅氧烷（D4）、十甲基环五硅氧烷(D5)和十二甲基环六硅氧烷(D6)的测定	China National Standards 4	English PDF
GB/T 40303-2021	General specification for GH4169 alloy bars GH4169合金棒材通用技术条件	China National Standards 4	English PDF
GB/T 39715.4-2021	Plastics—Biobased content—Part 4: Determination of biobased mass content 塑料生物基含量第4部分：生物基物质含量的测定	China National Standards 4	English PDF
GB/T 38206.4-2021	Methods to assess the reliability of pneumatic components—Part 4: Pressure regulators 气动元件可靠性评估方法第 4 部分：调压阀	China National Standards 4	English PDF
GB/T 34015.4-2021	Recovery of traction battery used in electric vehicle—Echelon use—Part 4: Labels for echelon used battery products 车用动力电池回收利用梯次利用第4部分：梯次利用产品标识	China National Standards 4	English PDF
GB/T 20899.4-2021	Methods for chemical analysis of gold ores—Part 4: Determination of copper content 金矿石化学分析方法第4部分：铜量的测定	China National Standards 4	English PDF
GB/T 8013.4-2021	Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 4: Texture coatings 铝及铝合金阳极氧化膜与有机聚合物膜第4部分：纹理膜	China National Standards 4	English PDF
GB/T 5211.14-2021	General methods of test for pigments and extenders—Part 14: Determination of residue on sieve—Mechanical flushing procedure 颜料和体质颜料通用试验方法第14部分：筛余物的测定机械冲洗法	China National Standards 4	English PDF
GB/T 16840.4-2021	Technical determination methods for electrical fire evidence—Part 4: Metallographic analysis method 电气火灾痕迹物证技术鉴定方法第4部分：金相分析法	China National Standards 4	English PDF
GB/T 40473.4-2021	Banking application system—Nonfunctional requirement—Part 4: Compatibility 银行业应用系统非功能需求第4部分：兼容性	China National Standards 4	English PDF
GB/T 27926.4-2021	Financial services—Universal financial industry message scheme—Part 4:XML Schema generation 金融服务金融业通用报文方案第4部分：XML Schema生成	China National Standards 4	English PDF
GB/T 22576.4-2021	Medical laboratories-Requirements for quality and competence- Part 4:Requirements in the field of clinical chemistry examination 医学实验室质量和能力的要求第4部分：临床化学检验领域的要求	China National Standards 4	English PDF
GB/T 40096.4-2021	Technical specification for on-site protection equipment - Part 4: Smart management unit 就地化继电保护装置技术规范第4部分：智能管理单元	China National Standards 4	English PDF
GB/T 40094.4-2021	Electronic commerce data transaction—Part 4:Privacy protection specification 电子商务数据交易第4部分：隐私保护规范	China National Standards 4	English PDF
GB/T 15972.47-2021	Specifications for optical fibre test method - Part 47: Measurement methods and test procedures for transmission characteristics - Macrobending loss 光纤试验方法规范第47部分：传输特性的测量方法和试验程序宏弯损耗	China National Standards 4	English PDF
GB/T 15242.4-2021	Dimensions series of rod and piston dynamic seals for hydraulic cylinders-Part 4:Dimensions and tolerances of bearing rings groove 液压缸活塞和活塞杆动密封装置尺寸系列第4部分：支承环安装沟槽尺寸系列和公差	China National Standards 4	English PDF
GB/T 7739.4-2021	Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 金精矿化学分析方法第4部分：铜量的测定	China National Standards 4	English PDF
GB/T 20720.4-2021	Enterprise-control system integration—Part 4:Object model attributes for manufacturing operations management integration 企业控制系统集成第4部分：制造运行管理集成的对象模型属性	China National Standards 4	English PDF
GB/T 18916.54-2021	Norm of water intake - Part 54: Canned food 取水定额第54部分：罐头食品	China National Standards 4	English PDF
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 4	English PDF
GB/T 25195.4-2021	Cranes—Graphical symbols—Part 4:Jib cranes 起重机图形符号第4部分：臂架起重机	China National Standards 4	English PDF
GB/T 15972.42-2021	Specifications for optical fibre test methods—Part 42:Measurement methods and test procedures for transmission characteristics—Chromatic dispersion 光纤试验方法规范第42部分：传输特性的测量方法和试验程序波长色散	China National Standards 4	English PDF
GB/T 40025-2021	RF technical requirements and test methods for 24GHz vehicle radio equipment 24GHz车辆无线电设备射频技术要求及测试方法	China National Standards 4	English PDF
GB/T 39652.4-2021	Emergency response guideline for transportation of dangerous goods—Part 4:List of substance which in contact with water emit toxic gases 危险货物运输应急救援指南第4部分：遇水反应产生毒性气体的物质目录	China National Standards 4	English PDF
GB/T 37036.4-2021	Information technology—Biometrics used with mobile devices—Part 4：Iris 信息技术移动设备生物特征识别第4部分：虹膜	China National Standards 4	English PDF
GB/T 36625.4-2021	Smart city-Data fusion-Part 4:Opening and sharing requirements 智慧城市数据融合第4部分：开放共享要求	China National Standards 4	English PDF
GB/T 33780.4-2021	Technical specification of electronic government common platform based on cloud computing—Part 4:Operation system 基于云计算的电子政务公共平台技术规范第4部分：操作系统	China National Standards 4	English PDF
GB/T 32910.4-2021	Data center—Resource utilization—Part 4: Renewable energy factor 数据中心资源利用第4部分：可再生能源利用率	China National Standards 4	English PDF
GB/T 29186.4-2021	Evaluation of brand value elements-Part 4:Innovation elements 品牌价值要素评价第4部分：创新要素	China National Standards 4	English PDF
GB/T 15972.54-2021	Specifications for optical fibre test methods—Part 54:Measurement methods and test procedures for environmental characteristics—Gamma irradiation 光纤试验方法规范第54部分：环境性能的测量方法和试验程序伽玛辐照	China National Standards 4	English PDF
GB/T 15972.45-2021	Specifications for optical fibre test methods—Part 45:Measurement methods and test procedures for transmission characteristics—Mode field diameter 光纤试验方法规范第45部分：传输特性的测量方法和试验程序模场直径	China National Standards 4	English PDF
GB/T 15972.43-2021	Specifications for optical fibre test methods—Part 43: Measurement methods and test procedures for transmission characteristics—Numerical aperture 光纤试验方法规范第43部分：传输特性的测量方法和试验程序数值孔径	China National Standards 4	English PDF
GB/T 15972.41-2021	Specifications for optical fibre test methods-Part 41:Measurement methods and test procedures for transmission characteristics-Bandwidth 光纤试验方法规范第41部分：传输特性的测量方法和试验程序带宽	China National Standards 4	English PDF
GB/T 15972.34-2021	Specifications for optical fibre test methods—Part 34:Measurement methods and test procedures for mechanical characteristics—Fibre curl 光纤试验方法规范第34部分：机械性能的测量方法和试验程序光纤翘曲	China National Standards 4	English PDF
GB/T 9966.14-2021	Test methods for natural stone-Part 14:Determination of rupture energy 天然石材试验方法第14部分：耐断裂能量的测定	China National Standards 4	English PDF
GB/T 8151.24-2021	Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry 锌精矿化学分析方法第24部分:可溶性锌含量的测定火焰原子吸收光谱法	China National Standards 4	English PDF
GB/T 35060.4-2021	General specification of shearer—Part 4: Electric control system 滚筒采煤机通用技术条件第4部分:电气控制系统	China National Standards 4	English PDF
GB/T 34080.4-2021	Security specification of electronic government common platform based on cloud computing -- Part 4: Application security 基于云计算的电子政务公共平台安全规范第4部分：应用安全	China National Standards 4	English PDF
GB/T 34079.4-2021	Service specification of electronic government common platform based on cloud computing -- Part 4: Application service 基于云计算的电子政务公共平台服务规范第4部分：应用服务	China National Standards 4	English PDF
GB/T 34078.4-2021	General specification of electronic government common platform based on cloud computing -- Part 4: Service implement 基于云计算的电子政务公共平台总体规范第4部分：服务实施	China National Standards 4	English PDF
GB/T 34077.4-2021	Management specification of electronic government common platform based on cloud computing -- Part 4: Guide for platform management 基于云计算的电子政务公共平台管理规范第4部分：平台管理导则	China National Standards 4	English PDF
GB/T 20833.4-2021	Rotating electrical machines—The winding insulation—Part 4: Measurement of insulation resistance and polarization index 旋转电机绕组绝缘第4部分：绝缘电阻和极化指数测量	China National Standards 4	English PDF
GB/T 18329.4-2021	Plain bearings—Metallic multilayer plain bearings—Part 4:Non-destructive ultrasonic transmission testing of bond of thickness greater than or equal to 0.3 mm 滑动轴承多层金属滑动轴承第4部分: 合金厚度≥0.3mm的结合质量超声穿透无损检测	China National Standards 4	English PDF
GB/T 11313.41-2021	Radio-frequency connectors—Part 41: Sectional specification for CQA series quick lock R.F. coaxial connectors 射频连接器第41部分: CQA系列快速锁紧射频连接器分规范	China National Standards 4	English PDF
GB/T 11313.40-2021	Radio-frequency connectors—Part 40: Sectional specification for 2.4 series R.F. connectors 射频连接器第40部分: 2.4系列射频连接器分规范	China National Standards 4	English PDF
GB/T 10001.4-2021	Public information graphical symbols—Part 4: Symbols for recreation sport 公共信息图形符号第4部分：运动健身符号	China National Standards 4	English PDF
GB/T 5095.2504-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-4: Test 25d: Propagation delay 电子设备用机电元件基本试验规程及测量方法第25-4部分：试验25d：传输时延	China National Standards 4	English PDF
GB/T 5095.2304-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件基本试验规程及测量方法第23-4部分：屏蔽和滤波试验试验23d：时域内传输线的反射	China National Standards 4	English PDF
GB/T 1149.4-2021	Internal combustion engines—Piston rings—Part 4:Quality requirements 内燃机活塞环第4部分：质量要求	China National Standards 4	English PDF
GB/T 14914.4-2021	The specification for marine observation—Part 4:Shore based radar observation 海洋观测规范第4部分：岸基雷达观测	China National Standards 4	English PDF
GB/T 15166.4-2021	High-voltage alternating-current fuses -- Part 4：Fuse for exteanal protection of shunt capacitors 高压交流熔断器第4部分：并联电容器外保护用熔断器	China National Standards 4	English PDF
GB/T 15579.14-2021	Arc welding equipment -- Part 14: Calibration, validation and consistency testing 弧焊设备第14部分：校准、确认和一致性试验	China National Standards 4	English PDF
GB/T 6113.104-2021	Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-4:Radio disturbance and immunity measuring apparatus—Antennas and test sites for radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第1-4部分：无线电骚扰和抗扰度测量设备辐射骚扰测量用天线和试验场地	China National Standards 4	English PDF
GB/T 38265.14-2021	Test methods for soft soldering fluxes—Part 14: Assessment of tackiness of flux residues 软钎剂试验方法第14部分：钎剂残留物胶粘性的评价	China National Standards 4	English PDF
GB/T 38055.4-2021	Rough-terrain trucks—User requirements—Part 4: Additional requirements for variable-reach trucks handling freely suspended loads 越野叉车对用户的要求第4部分:悬吊可自由摆动载荷伸缩臂式叉车的附加要求	China National Standards 4	English PDF
GB/T 41106.4-2021	Large-scale amusement devices -- Inspection, maintenance and repair -- Part 4: Sort of lifting rides 大型游乐设施检查、维护保养与修理第4部分：升降类	China National Standards 4	English PDF
GB/T 25684.4-2021	Earth-moving machinery—Safety—Part 4: Requirements for backhoe loaders 土方机械安全第4部分：挖掘装载机的要求	China National Standards 4	English PDF
GB/T 24675.4-2021	Conservation tillage equipment—Part 4：Disc harrow 保护性耕作机械第4部分：圆盘耙	China National Standards 4	English PDF
GB/T 1927.4-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content 无疵小试样木材物理力学性质试验方法第4部分：含水率测定	China National Standards 4	English PDF
GB/T 17215.647-2021	Electricity metering data exchange -- The DLMS/COSEM suite -- Part 47: DLMS/COSEM transport layer for IP networks 电测量数据交换 DLMS/COSEM组件第47部分：基于IP网络的DLMS/COSEM传输层	China National Standards 4	English PDF
GB/T 20629.4-2021	Non-cellulosic papers for electrical purposes -- Part 4：Aramid fibre paper containing mica particles 电气用非纤维素纸? 第4部分：含云母颗粒的聚芳酰胺纤维纸	China National Standards 4	English PDF
GB/T 18978.304-2021	Ergonomics of human-system interaction—Part 304: User performance test methods for electronic visual displays 人-系统交互工效学第304部分：电子视觉显示器的用户绩效测试方法	China National Standards 4	English PDF
GB/T 41212-2021	Nanotechnologies -- 5-(and 6)-Chloromethyl-2', 7' Dichloro-dihydrofluorescein diacetate (CM-H2DCF-DA) assay for evaluating nanoparticle-induced intracellular reactive oxygen species(ROS) production in RAW 264.7 macrophage cell line 纳米技术荧光素二乙酸酯法检测纳米颗粒诱导巨噬细胞产生的活性氧	China National Standards 4	English PDF
GB/T 20969.4-2021	Special environmental condition—Machinery for plateau—Part 4:Guide rule of test for plateau natural environment—Internal combustion engines 特殊环境条件高原机械第4部分：高原自然环境试验导则内燃动力机械	China National Standards 4	English PDF
GB/T 18691.4-2021	Agricultural irrigation equipment—Irrigation valves—Part 4: Air valves 农业灌溉设备灌溉阀第4部分：进排气阀	China National Standards 4	English PDF
GB/T 31723.414-2021	Metallic communication cable test methods—Part 4-14: Electromagnetic compatibility (EMC)—Coupling attenuation of cable assemblies (field conditions)—Absorbing clamp method 金属通信电缆试验方法第4-14部分：电磁兼容电缆组件(现场条件)的耦合衰减吸收钳法	China National Standards 4	English PDF
GB/T 31723.413-2021	Metallic communication cable test methods—Part 4-13: Electromagnetic compatibility (EMC)—Coupling attenuation of links and channels(laboratory conditions)—Absorbing clamp method 金属通信电缆试验方法第4-13部分：电磁兼容链路和信道(实验室条件)的耦合衰减吸收钳法	China National Standards 4	English PDF
GB/T 31723.412-2021	Metallic communication cable test methods—Part 4-12: Electromagnetic compatibility (EMC)—Coupling attenuation or screening attenuation of connecting hardware—Absorbing clamp method 金属通信电缆试验方法第4-12部分：电磁兼容连接硬件的耦合衰减或屏蔽衰减吸收钳法	China National Standards 4	English PDF
GB/T 11313.42-2021	Radio-frequency connectors -- Part 42: Sectional specification for CQN series quick lock RF connectors 射频连接器第42部分：CQN系列快速锁紧射频连接器分规范	China National Standards 4	English PDF
GB/T 14191.4-2021	Prosthetics and orthotics -- Vocabulary -- Part 4: Terms relating to limb amputation 假肢学和矫形器学? 术语? 第4部分：截肢术语	China National Standards 4	English PDF
GB 14232.4-2021	Plastics collapsible containers for human blood and blood components—Part 4: Aphaeresis blood bag systems with integrated features 人体血液及血液成分袋式塑料容器第4部分：含特殊组件的单采血袋系统	China National Standards 4	English PDF
GB 9706.224-2021	Medical electrical equipment—Part 2-24: Particular requirements for the basic safety and essential performance of infusion pumps and controllers 医用电气设备第2-24部分：输液泵和输液控制器的基本安全和基本性能专用要求	China National Standards 4	English PDF
GB/T 40955-2021	Determination of octamethylcyclotetrasiloxane(D4) and decamethylcyclopentasiloxane(D5) in cosmetics—Gas chromatography 化妆品中八甲基环四硅氧烷（D4）和十甲基环五硅氧烷（D5）的测定气相色谱法	China National Standards 4	English PDF
GB/T 30104.304-2021	Digital addressable lighting interface—Part 304:Particular requirements—Input devices—Light sensor 数字可寻址照明接口第304部分：特殊要求输入设备光传感器	China National Standards 4	English PDF
GB/T 21021.4-2021	Intermodulation level measurement for passive RF and microwave devices -- Part 4: Measurement of passive intermodulation in coaxial cables 无源射频和微波元器件的互调电平测量第4部分：同轴电缆的无源互调测量	China National Standards 4	English PDF
GB/T 40926.4-2021	Protective equipment for use in ice hockey—Part 4:Head and face protection for goalkeepers 冰球运动护具第4部分：守门员的头部和面部护具	China National Standards 4	English PDF
GB/T 40665.4-2021	Operation specifications for four diagnostic methods in traditional Chinese medicine—Part 4:Pulse palpation 中医四诊操作规范第4部分：切诊	China National Standards 4	English PDF
GB/T 40681.4-2021	Statistical methods in monitoring process capability and performance—Part 4:Process capability estimates and performance measures 生产过程能力和性能监测统计方法第4部分：过程能力估计和性能测量	China National Standards 4	English PDF
GB/T 40565.4-2021	Connections for hydraulic fluid power—Quick-action couplings—Part 4: Screw connection type at 72 MPa 液压传动连接快换接头第4部分：72 MPa螺纹连接型	China National Standards 4	English PDF
GB/T 40815.4-2021	Mechanical structures for electrical and electronic equipment—Thermal managementfor cabinets in accordance with inch and metric system—Part 4:Cooling performance tests for water supplied heat exchangers in electronic cabinets 电气和电子设备机械结构　符合英制系列和公制系列机柜的热管理　第4部分：电子机柜中供水热交换器的冷却性能试验	China National Standards 4	English PDF
GB/T 16895.10-2021	Low-voltage electrical installations -- Part 4-44: Protection for safety -- Protection against voltage disturbances and electromagnetic disturbances 低压电气装置第4-44部分：安全防护电压骚扰和电磁骚扰防护	China National Standards 4	English PDF
GB/T 40907-2021	Methods for the determination of prohibited substances in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline 家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷	China National Standards 4	English PDF
GB/T 9578-2021	Industry reference carbon black 4# 工业参比炭黑4#	China National Standards 4	English PDF
GB/T 39560.4-2021	Determination of certain substances in electrical and electronic products—Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS , ICP-OES and ICP-MS 电子电气产品中某些物质的测定第4部分：CV-AAS、CV-AFS、ICP-OES和ICP-MS测定聚合物、金属和电子件中的汞	China National Standards 4	English PDF
GB/T 1687.4-2021	Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer 硫化橡胶在屈挠试验中温升和耐疲劳性能的测定第4部分：恒应力屈挠试验	China National Standards 4	English PDF
GB/T 40742.4-2021	Geometrical product specifications (GPS)—Geometrical precision verification—Part 4：Evaluation of dimension and geometrical error，discriminant pattern of minimum zone 产品几何技术规范（GPS）几何精度的检测与验证第4部分：尺寸和几何误差评定、最小区域的判别模式	China National Standards 4	English PDF
GB/T 3836.4-2021	Explosive atmospheres—Part 4：Equipment protection by intrinsic safety“i” 爆炸性环境第4部分：由本质安全型“i”保护的设备	China National Standards 4	English PDF
GB/T 3836.34-2021	Explosive atmospheres—Part 34：Equipment assemblies 爆炸性环境第34部分：成套设备	China National Standards 4	English PDF
GB/T 12274.4-2021	Quartz crystal controlled oscillators of assessed quality—Part 4: Sectional specification—Capability approval 有质量评定的石英晶体振荡器第4部分:分规范能力批准	China National Standards 4	English PDF
GB/T 40711.4-2021	Off-cycle technology/device energy saving effects evaluation methods for passenger cars—Part 4:Regenerative braking system 乘用车循环外技术/装置节能效果评价方法第4部分：制动能量回收系统	China National Standards 4	English PDF
GB/T 40420.4-2021	Broadband customer gateway virtualization based on public telecommunication network—Part 4:Technical requirements for physical business gateway 基于公用电信网的宽带客户网关虚拟化第4部分：实体企业网关技术要求	China National Standards 4	English PDF
GB/T 15972.49-2021	Specifications for optical fibre test methods—Part 49: Measurement methods and test procedures for transmission characteristics—Differential mode delay 光纤试验方法规范第49部分：传输特性的测量方法和试验程序微分模时延	China National Standards 4	English PDF
GB/T 29618.5120-2021	Field device tool (FDT) interface specification—Part 5120:Communication implementation for common object model—IEC 61784 CPF 2 现场设备工具（FDT）接口规范第5120部分:通用对象模型的通信实现 IEC 61784 CPF 2	China National Standards 4	English PDF
GB/T 29618.5110-2021	Field device tool (FDT) interface specification—Part 5110: Communication implementation for common object model—IEC 61784 CPF 1 现场设备工具(FDT)接口规范第5110部分:通用对象模型的通信实现 IEC 61784 CPF 1	China National Standards 4	English PDF
GB/T 6346.24-2021	Fixed capacitors for use in electronic equipment—Part 24: Sectional specification—Fixed tantalum electrolytic surface mount capacitors with conductive polymer solid electrolyte 电子设备用固定电容器第24部分：分规范表面安装导电聚合物固体电解质钽固定电容器	China National Standards 4	English PDF
GB/T 40640.4-2021	Informationalized management of chemicals—Part 4:General specification for chemicals positioning system 化学品管理信息化第4部分：化学品定位系统通用规范	China National Standards 4	English PDF
GB/T 12690.4-2021	Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method 稀土金属及其氧化物中非稀土杂质化学分析方法第4部分：氧、氮量的测定脉冲-红外吸收法和脉冲-热导法	China National Standards 4	English PDF
GB/T 18115.4-2021	Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt 稀土金属及其氧化物中稀土杂质化学分析方法第4部分：钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定	China National Standards 4	English PDF
GB/T 40763-2021	Sustainable cities and communities―Business district―Guidance for practical local implementation of GB/T 40759 城市和社区可持续发展商务区 GB/T 40759本地实施指南	China National Standards 4	English PDF
GB/T 40761-2021	Sustainable cities and communities -- Transforming our cities -- Guidance for practical local implementation of GB/T 40759 城市和社区可持续发展--改变我们的城市 GB/T 40759本地实施指南	China National Standards 4	English PDF
GB/T 16895.7-2021	Low-voltage electrical installations—Part 7-704:Requirements for special installations or locations—Construction and demolition site installations 低压电气装置第7-704部分：特殊装置或场所的要求施工和拆除场所的电气装置	China National Standards 4	English PDF
GB 39800.4-2020	Specifications for the provision of personal protective equipment—Part 4：Non-coal mines 个体防护装备配备规范第4部分：非煤矿山	China National Standards 4	English PDF
GB 9706.254-2020	Medical electrical equipment—Part 2-54: Particular requirements for the basic safety and essential performance of X-ray equipment for radiography and radioscopy 医用电气设备第2-54部分：X射线摄影和透视设备的基本安全和基本性能专用要求	China National Standards 4	English PDF
GB/T 39551.4-2020	Patent navigation guide—Part 4：Business operation 专利导航指南第4部分：企业经营	China National Standards 4	English PDF
GB/Z 39124-2020	Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method 铅精矿化学分析方法锑含量的测定硫酸铈滴定法	China National Standards 4	English PDF
GB 7300.402-2020	Feed additives—Part 4：Enzymes—Phytase 饲料添加剂第4部分：酶制剂植酸酶	China National Standards 4	English PDF
GB/T 24242.4-2020	Non-alloy steel wire rod for conversion to wire —Part 4：Specific requirements for special purpose wire rod 制丝用非合金钢盘条第4部分：特殊用途盘条	China National Standards 4	English PDF
GB/T 14048.4-2020	Low-voltage switchgear and controlgear—Part 4-1: Contactors and motor-starters—Electromechanical contactors and motor-starters (Including motor protector) 低压开关设备和控制设备第4-1部分：接触器和电动机起动器机电式接触器和电动机起动器（含电动机保护器）	China National Standards 4	English PDF
GB/T 4802.4-2020	Textiles—Determination of the fabric propensity to surface pilling, fuzzing or matting—Part 4: Random tumble pilling method 纺织品织物起毛起球性能的测定第4部分：随机翻滚法	China National Standards 4	English PDF
GB/T 24328.4-2020	Tissue paper and tissue products--Part 4: Determination of wet tensile strength 卫生纸及其制品第4部分: 湿抗张强度的测定	China National Standards 4	English PDF
GB/T 26790.4-2020	Industrial wireless networks WIA specification—Part 4: WIA-FA protocol conformance test specification 工业无线网络WIA规范第4部分：WIA-FA协议一致性测试规范	China National Standards 4	English PDF
GB/T 38924.4-2020	Environmental test methods for civil small and light unmanned aircraft system—Part 4: Temperature and altitude test 民用轻小型无人机系统环境试验方法第4部分：温度和高度试验	China National Standards 4	English PDF
GB/T 25085.4-2020	Road vehicles—Automotive cables—Part 4: Dimensions and requirements for 30 V a.c. or 60 V d.c. single-core aluminium conductor cables 道路车辆汽车电缆第4部分：交流30 V或直流60 V单芯铝导体电缆的尺寸和要求	China National Standards 4	English PDF
GB/T 20975.4-2020	Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content 铝及铝合金化学分析方法第4部分：铁含量的测定	China National Standards 4	English PDF
GB/T 20975.14-2020	Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickel content 铝及铝合金化学分析方法第14部分：镍含量的测定	China National Standards 4	English PDF
GB/T 20975.24-2020	Methods for chemical analysis of aluminium and aluminium alloys—Part 24：Determination of total rare earth content 铝及铝合金化学分析方法第24部分：稀土总含量的测定	China National Standards 4	English PDF
GB/T 38874.4-2020	Tractors and machinery for agriculture and forestry—Safety-related parts of control systems—Part 4：Production,operation,modification and supporting processes 农林拖拉机和机械控制系统安全相关部件第4部分：生产、运行、修改与支持规程	China National Standards 4	English PDF
GB/T 38833-2020	240V/336V DC power system technical requirements and test methods for information and telecommunication 信息通信用240V/336V直流供电系统技术要求和试验方法	China National Standards 4	English PDF
GB/T 9771.4-2020	Single-mode optical fibres for telecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre 通信用单模光纤第4部分：色散位移单模光纤特性	China National Standards 4	English PDF
GB/T 9065.4-2020	Connections for hydraulic fluid power—Hose fittings—Part 4: Stud ends 液压传动连接软管接头第4部分：螺柱端	China National Standards 4	English PDF
GB/T 38634.4-2020	Systems and software engineering—Software testing—Part 4：Test techniques 系统与软件工程软件测试第4部分：测试技术	China National Standards 4	English PDF
GB/T 34953.4-2020	Information technology—Security techniques—Anonymous entity authentication—Part 4: Mechanisms based on weak secrets 信息技术安全技术匿名实体鉴别第4部分：基于弱秘密的机制	China National Standards 4	English PDF
GB/T 24637.4-2020	Geometrical product specifications(GPS)—General concepts—Part 4: Geometrical characteristics for quantifying GPS deviations 产品几何技术规范（GPS）通用概念第4部分:几何特征的GPS偏差量化	China National Standards 4	English PDF
GB/T 5226.34-2020	Electrical safety of machinery—Electrical equipment of machines—Part 34: Requirements for machine tools 机械电气安全机械电气设备第34部分：机床技术条件	China National Standards 4	English PDF
GB/T 38775.4-2020	Electric vehicle wireless power transfer—Part 4：Limits and test methods of electromagnetic environment 电动汽车无线充电系统第4部分：电磁环境限值与测试方法	China National Standards 4	English PDF
GB/T 38622-2020	Containers—General technology specification of 2.45GHz frequency band cargo shipment tag 集装箱 2.45GHz频段货运标签通用技术规范	China National Standards 4	English PDF
GB/T 29633.4-2020	Antarctic geographical names—Part 4:Romanizing 南极地名第4部分：罗马字母拼写	China National Standards 4	English PDF
GB/T 38592-2020	Determination of 4,4’-methylene-bis(2-chloroaniline) in textile dyeing and finishing auxiliaries 纺织染整助剂产品中4,4’-亚甲基双(2-氯苯胺)的测定	China National Standards 4	English PDF
GB/T 26548.4-2020	Hand-held portable power tools—Test methods for evaluation of vibration emission—Part 4:Straight grinders 手持便携式动力工具振动试验方法第4部分：直柄式砂轮机	China National Standards 4	English PDF
GB/T 5137.4-2020	Test methods of safety glazing materials used on road vehicles—Part 4:Determination of solar characteristic 汽车安全玻璃试验方法第4部分：太阳能特性试验	China National Standards 4	English PDF
GB/T 38658-2020	Guidance for the extension of validity of type tests of AC metal enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6 kV～40.5 kV交流金属封闭开关设备和控制设备型式试验有效性的延伸导则	China National Standards 4	English PDF
GB/T 38651.4-2020	Public information signs carrier—Part 4：Maintenance requirements 公共信息标志载体第4部分：维护要求	China National Standards 4	English PDF
GB/T 38604.4-2020	Public information guidance systems—Assessment requirement—Part 4: Trolley and bus station 公共信息导向系统评价要求第4部分：公共汽电车车站	China National Standards 4	English PDF
GB/T 18916.49-2020	Norm of water intake—Part 49：Polyamide product 取水定额第49部分：锦纶产品	China National Standards 4	English PDF
GB/T 18916.48-2020	Norm of water intake—Part 48：Polyvinyl product 取水定额第48部分：维纶产品	China National Standards 4	English PDF
GB/T 18916.47-2020	Norm of water intake—Part 47: Polysilicon production 取水定额第47部分：多晶硅生产	China National Standards 4	English PDF
GB/T 3906-2020	Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6 kV～40.5 kV交流金属封闭开关设备和控制设备	China National Standards 4	English PDF
GB/T 8243.14-2020	Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 14:Cold start simulation and hydraulic pulse durability for composite filter housings 内燃机全流式机油滤清器试验方法第14部分：复合材料滤清器的冷起动模拟和液压脉冲耐久试验	China National Standards 4	English PDF
GB/T 3098.23-2020	Mechanical properties of fasteners—M42～M72 bolts, screws and studs 紧固件机械性能 M42～M72螺栓、螺钉和螺柱	China National Standards 4	English PDF
GB/T 16900.4-2020	Rules for the presentation of graphical symbols—Part 4: Methods for testing symbol referent association 图形符号表示规则第4部分：对象相关性测试方法	China National Standards 4	English PDF
GB/T 12706.4-2020	Power cables with extruded insulation and their accessories for rated voltages from l kV (Um=1.2 kV) up to 35 kV(Um=40.5 kV)—Part 4:Test requirements on accessories for cables with rated voltages from 6 kV(Um=7.2 kV) up to 35 kV(Um=40.5 kV) 额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件第4部分:额定电压6kV(Um=7.2kV)到35kV(Um=40.5kV)电力电缆附件试验要求	China National Standards 4	English PDF
GB/T 12706.3-2020	Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV)—Part 3: Cables for rated voltages of 35kV(Um=40.5kV) 额定电压1kV(Um=1.2 kV)到35kV(Um=40.5 kV)挤包绝缘电力电缆及附件第3部分：额定电压35kV(Um=40.5kV)电缆	China National Standards 4	English PDF
GB/T 12706.2-2020	Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 2: Cables for rated voltages from 6 kV(Um=7.2 kV) up to 30 kV(Um=36 kV) 额定电压1 kV(Um=1.2 kV)到35 kV(Um=40.5 kV)挤包绝缘电力电缆及附件第2部分：额定电压6 kV(Um=7.2kV)到30 kV(Um=36 kV)电缆	China National Standards 4	English PDF
GB/T 12706.1-2020	Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 1: Cables for rated voltage of 1 kV(Um=1.2 kV)and 3 kV(Um=3.6 kV) 额定电压1 kV(Um=1.2 kV)到35 kV(Um=40.5 kV)挤包绝缘电力电缆及附件第1部分：额定电压1 kV(Um=1.2 kV)和3 kV(Um=3.6 kV)电缆	China National Standards 4	English PDF
GB/T 9966.4-2020	Test methods for natural stone--Part 4: Determination of abrasion resistance 天然石材试验方法第4部分：耐磨性试验	China National Standards 4	English PDF
GB/T 38548.4-2020	Content resources digitization—Part 4:Metadata 内容资源数字化加工第4部分：元数据	China National Standards 4	English PDF
GB/T 37055.4-2020	National article numbering and basic information specification—Means of production—Part 4: Asphalt 国家物品编码与基础信息通用规范生产资料第4部分：沥青	China National Standards 4	English PDF
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 4	English PDF
GB/T 35840.4-2020	Steels for plastic mould—Part 4: Pre-hardenging steel plate 塑料模具钢第4部分：预硬化钢板	China National Standards 4	English PDF
GB/T 36668.4-2020	Condition monitoring and fault diagnostics of amusement device—Part 4:Vibration monitoring method 游乐设施状态监测与故障诊断第4部分：振动监测方法	China National Standards 4	English PDF
GB 5009.282-2020	National food safety standard - Determination of 1-methylimidazole, 2-methylimidazole and 4-methylimidazole in foods 食品安全国家标准食品中1-甲基咪唑、2-甲基咪唑及4-甲基咪唑的测定	China National Standards 4	English PDF
GB 5009.280-2020	National food safety standard - Determination of 4-hexylresorcinol residues in foods 食品安全国家标准食品中4-己基间苯二酚残留量的测定	China National Standards 4	English PDF
GB 9706.245-2020	Medical electrical equipment—Part 2-45: Particular requirements for the basic safety and essential performance of mammographie X-ray equipment and mammographie stereotactic devices 医用电气设备第2-45部分：乳腺X射线摄影设备和乳腺摄影立体定位装置的基本安全和基本性能专用要求	China National Standards 4	English PDF
GB 9706.244-2020	Medical electrical equipment—Part 2-44:Particular requirements for the basic safety and essential performance of X-ray equipment for computed tomography 医用电气设备第2-44部分：X射线计算机体层摄影设备的基本安全和基本性能专用要求	China National Standards 4	English PDF
GB/T 39561.4-2020	Interconnection and interoperation of numerical control equipment—Part 4: Object dictionary of numerical control machine tools 数控装备互联互通及互操作第4部分：数控机床对象字典	China National Standards 4	English PDF
GB/T 39559.4-2020	Specifications for operational monitoring of urban rail transit facilities—Part 4: Track and earthworks 城市轨道交通设施运营监测技术规范第4部分：轨道和路基	China National Standards 4	English PDF
GB/T 39515.4-2020	Agricultural and forestry machinery—Environmental requirements for sprayers—Part 4: Fixed and semi-mobile sprayers 农林机械喷雾机的环境要求第4部分：固定式和半移动式喷雾机	China National Standards 4	English PDF
GB/T 32854.4-2020	Automation systems and integration—Integration of advanced process control and optimization software for manufacturing systems—Part 4: Information exchange and usage 自动化系统与集成制造系统先进控制与优化软件集成第4部分：信息交互和使用	China National Standards 4	English PDF
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 4	English PDF
GB/T 21838.4-2020	Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 4: Test method for metallic and non-metallic coatings 金属材料硬度和材料参数的仪器化压入试验第4部分:金属和非金属覆盖层的试验方法	China National Standards 4	English PDF
GB/T 19212.24-2020	Safety of transformers, reactors, power supply units and combinations thereof—Part 24：Particular requirements and test for transformers and power supply units for construction sites 变压器、电抗器、电源装置及其组合的安全第24部分：建筑工地用变压器和电源装置的特殊要求和试验	China National Standards 4	English PDF
GB/T 18779.4-2020	Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4: Background on functional limits and specification limits in decision rules 产品几何技术规范（GPS）工件与测量设备的测量检验第4部分：判定规则中功能限与规范限的基础	China National Standards 4	English PDF
GB/T 16895.21-2020	Low-voltage electrical installations—Part 4–41：Protection for safety—Protection against electric shock 低压电气装置第4-41部分：安全防护电击防护	China National Standards 4	English PDF
GB/T 7424.24-2020	Optical fibre cable generic specification—Part 24: Basic optical cable test procedures—Electrical test methods 光缆总规范第24部分：光缆基本试验方法电气试验方法	China National Standards 4	English PDF
GB/T 7260.40-2020	Uninterruptible power systems(UPS)—Part 4:Environmental aspects—Requirements and reporting 不间断电源系统（UPS）第4部分：环境要求及报告	China National Standards 4	English PDF
GB/T 5584.4-2020	Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 4: Strip copper conductor 电工用铜、铝及其合金扁线第4部分：铜带	China National Standards 4	English PDF
GB/T 1632.4-2020	Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials 塑料使用毛细管黏度计测定聚合物稀溶液黏度第4部分：聚碳酸酯(PC)模塑和挤出材料	China National Standards 4	English PDF

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