China National Standards

China 4: GB Standards List


  •  China "4:" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 37400.4-2019 Heavy mechanical general technical specification—Part 4:Iron castings
    重型机械通用技术条件 第4部分:铸铁件
    China National Standards
    4:

    English PDF
    GB/T 31024.4-2019 Cooperative intelligent transportation systems—Dedicated short range communications—Part 4: Equipment application specification
    合作式智能运输系统 专用短程通信 第4部分:设备应用规范
    China National Standards
    4:

    English PDF
    GB/T 20897.4-2019 Inflatable boats—Part 4:Boats with a hull length of between 8 m and 24 m with a motor power rating of 15 kW and greater
    充气艇 第4部分:发动机额定功率为15 kW及以上且船长在8m~24m之间的艇
    China National Standards
    4:

    English PDF
    GB/T 20851.4-2019 Electronic toll collection—Dedicated short range communication—Part 4:Equipment application
    电子收费 专用短程通信 第4部分:设备应用
    China National Standards
    4:

    English PDF
    GB/T 37600.4-2019 National central product classification—Product category core metadata—Part 4: Amusement ride in public amusement park
    全国主要产品分类 产品类别核心元数据 第4部分:公共游乐场的游乐设施
    China National Standards
    4:

    English PDF
    GB/T 37303.4-2019 Ships and marine technology—Manoeuvring of ships—Part 4:Stopping, acceleration, traversing
    船舶和海上技术 船舶操纵性 第4部分:停船、加速和横移
    China National Standards
    4:

    English PDF
    GB/T 11024.4-2019 Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V—Part 4:Internal fuses
    标称电压1 000 V以上交流电力系统用并联电容器 第4部分:内部熔丝
    China National Standards
    4:

    English PDF
    GB/T 27021.4-2018 Conformity assessment—Requirements for bodies providing audit and certification of management systems—Part 4: Competence requirements for auditing and certification of event sustainability management systems
    合格评定-管理体系审核认证机构要求-第4部分:大型活动可持续性管理体系审核和认证能力要求
    China National Standards
    4:

    English PDF
    GB/T 25122.4-2018 Railway applications—Power converters installed on board rolling stock—Part 4:Traction converter for EMU
    轨道交通-机车车辆用电力变流器-第4部分:电动车组牵引变流器
    China National Standards
    4:

    English PDF
    GB/T 21561.4-2018 Railway applications—Rolling stock pantograph characteristics and tests—Part 4: Interface between pantograph and rolling stock for metros and light rail vehicles
    轨道交通-机车车辆受电弓特性和试验-第4部分:受电弓与地铁、轻轨车辆接口
    China National Standards
    4:

    English PDF
    GB/T 19290.6-2018 Modular order for the development of mechanical structures for electronic equipment practices—Part 2-4: Sectional specification—Interface co-ordination dimensions for the 25 mm equipment practice—Adaptation dimensions for subracks or chassis applica
    发展中的电子设备构体机械结构模数序列-第2-4部分:分规范-25-mm设备构体的接口协调尺寸-适用于符合IEC-60297-3-100(19-in)机柜或机架的插箱或机箱的适配尺寸
    China National Standards
    4:

    English PDF
    GBZ/T 300.164-2018 Determination of toxic substances in the workplace - Part 164: Diphenylmethane diisocyanate
    工作场所空气有毒物质测定-第164部分:二苯基甲烷二异氰酸酯
    China National Standards
    4:

    English PDF
    GB 15208.4-2018 Micro-dose X-ray security inspection system—Part 4:Human body security inspection system
    微剂量X射线安全检查设备-第4部分:人体安全检查设备
    China National Standards
    4:

    English PDF
    GB/T 31070.4-2018 Building intercom systems—Part 4: Application guidelines
    楼寓对讲系统-第4部分:应用指南
    China National Standards
    4:

    English PDF
    GB/T 16716.4-2018 Packaging and the environment—Part 4:Material recycling
    包装与环境-第4部分:材料循环再生
    China National Standards
    4:

    English PDF
    GB/T 36214.4-2018 Plastics—Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography—Part4:High-temperature method
    塑料 体积排除色谱法测定聚合物的平均分子量和分子量分布 第4部分:高温法
    China National Standards
    4:

    English PDF
    GB/T 24338.5-2018 Railway applications—Electromagnetic compatibility—Part 4: Emission and immunity of the signalling and telecommunications apparatus
    轨道交通 电磁兼容 第4部分:信号和通信设备的发射与抗扰度
    China National Standards
    4:

    English PDF
    GB/T 36417.4-2018 Full-distributed industrial control network—Part 4: Heterogeneous network technical specification
    全分布式工业控制网络 第4部分:异构网络技术规范
    China National Standards
    4:

    English PDF
    GB/T 10067.414-2018 Basic specification for electroheating and electromagnetic processing installations—Part 414: Industrial gem furnace
    电热和电磁处理装置基本技术条件 第414部分:工业宝石炉
    China National Standards
    4:

    English PDF
    GB/T 18916.34-2018 Norm of water intake—Part 34: Direct coal liquefaction
    取水定额 第34部分:煤炭直接液化
    China National Standards
    4:

    English PDF
    GB/T 19292.4-2018 Corrosion of metals and alloys—Corrosivity of atmospheres—Part 4: Determination of corrosion rate of standard specimens for the evaluation of corrosivity
    金属和合金的腐蚀 大气腐蚀性 第4部分:用于评估腐蚀性的标准试样的腐蚀速率的测定
    China National Standards
    4:

    English PDF
    GB/T 29265.404-2018 Information technology—Information device intelligent grouping and resource sharing—Part 404: Remote access management profile
    信息技术 信息设备资源共享协同服务 第404部分:远程访问管理应用框架
    China National Standards
    4:

    English PDF
    GB/T 6378.4-2018 Samling procedures for inspection by variables—Part 4: Procedures for assessment of declared quality levels for mean
    计量抽样检验程序 第4部分:对均值的声称质量水平的评定程序
    China National Standards
    4:

    English PDF
    GB/T 26645.4-2018 Particle size analysis—Gravitational liquid sedimentation methods—Part 4:Balance method
    粒度分析 液体重力沉降法 第4部分:天平法
    China National Standards
    4:

    English PDF
    GB/T 36410.4-2018 Energy consumption evaluation methods of port equipment—Part 4: Bulk ship loader
    港口设备能源消耗评价方法 第4部分:散货连续装船机
    China National Standards
    4:

    English PDF
    GB/T 3367.4-2018 Glossary of terms for diesel locomotive—Part 4:Hydraulic transmission system
    内燃机车词汇 第4部分:液力传动系统
    China National Standards
    4:

    English PDF
    GB/T 33260.4-2018 Capability of detection—Part 4: Methodology for comparing the minimum detectable value with a given value
    检出能力 第4部分:最小可检出值与给定值的比较方法
    China National Standards
    4:

    English PDF
    GB/T 4728.4-2018 Graphical symbols for electrical diagrams—Part 4: Basic passive components
    电气简图用图形符号 第4部分:基本无源元件
    China National Standards
    4:

    English PDF
    GB/T 30269.804-2018 Information technology—Sensor networks—Part 804: Testing: Sensor interface
    信息技术 传感器网络 第804部分:测试:传感器接口
    China National Standards
    4:

    English PDF
    GB/T 36341.4-2018 Information technology—Information presentation of shape modeling—Part 4: Storage format
    信息技术 形状建模信息表示 第4部分:存储格式
    China National Standards
    4:

    English PDF
    GB/T 36700.4-2018 Chemicals—Guidance on hazard classification to the aquatic environment—Part 4: Degradation
    化学品 水生环境危害分类指导 第4部分:降解
    China National Standards
    4:

    English PDF
    GB/T 36630.4-2018 Information security technology—Controllability evaluation index for security of information technology products—Part 4: Office suite
    信息安全技术 信息技术产品安全可控评价指标 第4部分:办公套件
    China National Standards
    4:

    English PDF
    GB/T 4937.14-2018 Semiconductor devices—Mechanical and climatic test methods—Part 14: Robustness of terminations(lead integrity)
    半导体器件 机械和气候试验方法 第14部分:引出端强度(引线牢固性)
    China National Standards
    4:

    English PDF
    GB/T 36616.4-2018 Information technology-Universal coded character set (basic multilingual plane)-64 dot matrix font of Chinese ideogram-Part 4:Fangsong ti
    信息技术 通用编码字符集(基本多文种平面) 汉字64点阵字型 第4部分:仿宋体
    China National Standards
    4:

    English PDF
    GB/T 26857.4-2018 Information technology—Open systems interconnection—Methods for testing and specification(MTS)—The testing and test control notation—Version 3一Part 4: TTCN-3 operational semantics
    信息技术 开放系统互连 测试方法和规范(MTS) 测试和测试控制记法 第3版 第4部分:TTCN-3操作语义
    China National Standards
    4:

    English PDF
    GB/T 5169.24-2018 Fire hazard testing for electric and electronic products—Part 24: Guidance for assessing the fire hazard—Insulating liquids
    电工电子产品着火危险试验 第24部分:着火危险评定导则 绝缘液体
    China National Standards
    4:

    English PDF
    GB/T 35974.4-2018 Plastics and plastic lining pressure vessels—Part 4: Fabrication, inspection and testing for plastic pressure vessels
    塑料及其衬里制压力容器 第4部分:塑料制压力容器的制造、检查与检验
    China National Standards
    4:

    English PDF
    GB/T 33767.4-2018 Information technology—Biometric sample quality—Part 4: Finger image data
    信息技术 生物特征样本质量 第4部分:指纹图像数据
    China National Standards
    4:

    English PDF
    GB/T 35999.4-2018 Prerequisite programmes on food safety—Part 4: Food packaging manufacturing
    食品质量控制前提方案 第4部分:食品包装的生产
    China National Standards
    4:

    English PDF
    GB/T 20501.4-2018 Public information guidance systems—Design principles and requirements for guidance elements—Part 4: Street guidance map
    公共信息导向系统 导向要素的设计原则与要求 第4部分:街区导向图
    China National Standards
    4:

    English PDF
    GB/T 35010.4-2018 Semiconductor die products—Part 4: Requirements for die users and suppliers
    半导体芯片产品 第4部分:芯片使用者和供应商要求
    China National Standards
    4:

    English PDF
    GB/T 36103.14-2018 Ferrite cores—Dimensions—Part 14: EFD-cores for use in power supply applications
    铁氧体磁心 尺寸 第14部分:电源用EFD型磁心
    China National Standards
    4:

    English PDF
    GB/T 35853.4-2018 List of aerospace equivalent terms—Part 4:Flight dynamics
    航空航天等效术语表 第4部分:飞行动力学
    China National Standards
    4:

    English PDF
    GB/T 17737.104-2018 Coaxial communication cables—Part 1-104: Electrical test methods—Test for capacitance stability of cable
    同轴通信电缆 第1-104部分:电气试验方法 电缆的电容稳定性试验
    China National Standards
    4:

    English PDF
    GB/T 17737.314-2018 Coaxial communication cables—Part 1-314: Mechanical test methods—Test for cable bending
    同轴通信电缆 第1-314部分:机械试验方法 电缆的弯曲试验
    China National Standards
    4:

    English PDF
    GB/T 17737.324-2018 Coaxial communication cables—Part 1-324: Mechanical test methods—Test for abrasion resistance of cable
    同轴通信电缆 第1-324部分:机械试验方法 电缆耐磨性试验
    China National Standards
    4:

    English PDF
    GB/T 22159.4-2017 Acoustics and vibration―Laboratory measurement of vibro-acoustic transfer properties of resilient elements―Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion
    声学与振动 弹性元件振动-声传递特性实验室测量方法 第4部分:弹性非支撑件平动动刚度
    China National Standards
    4:

    English PDF
    GB/T 7251.4-2017 Low-voltage switchgear and controlgear assemblies—Part 4: Particular requirements for assemblies for construction sites (ACS)
    低压成套开关设备和控制设备 第4部分:对建筑工地用成套设备(ACS)的特殊要求
    China National Standards
    4:

    English PDF
    GB/T 13870.4-2017 Effects of current on human beings and livestock—Part 4: Effects of lightning strokes
    电流对人和家畜的效应 第4部分:雷击效应
    China National Standards
    4:

    English PDF
    GB/T 34690.4-2017 Graphic technology—Digitalized process control for offset printing—Part 4: File preparation for output
    印刷技术 胶印数字化过程控制 第4部分:输出文件制作
    China National Standards
    4:

    English PDF
    GB/T 25000.24-2017 Systems and software engineering—Systems and software Quality Requirements and Evaluation(SQuaRE)—Part 24: Measurement of data quality
    系统与软件工程 系统与软件质量要求和评价(SQuaRE) 第24部分:数据质量测量
    China National Standards
    4:

    English PDF
    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
    4:

    English PDF
    GB/T 33846.4-2017 Information technology—SOA supportive functional units interoperability—Part 4: Service orchestration
    信息技术 SOA支撑功能单元互操作 第4部分:服务编制
    China National Standards
    4:

    English PDF
    GB/T 30850.4-2017 Standardized guidelines for e-government—Part 4: Information sharing
    电子政务标准化指南 第4部分:信息共享
    China National Standards
    4:

    English PDF
    GB/T 8117.4-2017 Rules for steam turbine thermal acceptance test—Part 4: Method D—Simplified performance test rules for steam turbine and its thermal cycle
    汽轮机热力性能验收试验规程 第4部分:方法D 汽轮机及其热力循环简化性能试验
    China National Standards
    4:

    English PDF
    GB/T 34923.4-2017 Street lights control and management system—Part 4: Technical specification of street lights controller
    路灯控制管理系统 第4部分:路灯控制器技术规范
    China National Standards
    4:

    English PDF
    GB/T 16895.28-2017 Low-voltage electrical installations—Part 7-714:Requirements for special installations or locations—External lighting installations
    低压电气装置 第7-714 部分:特殊装置或场所的要求 户外照明装置
    China National Standards
    4:

    English PDF
    GB/T 34910.4-2017 Guidelines for marine renewable energy resources survey and assessment—Part 4: Marine current
    海洋可再生能源资源调查与评估指南 第4部分: 海流能
    China National Standards
    4:

    English PDF
    GB/T 34590.4-2017 Road vehicles—Functional safety—Part 4: Product development at the system level
    道路车辆 功能安全 第4部分:产品开发:系统层面
    China National Standards
    4:

    English PDF
    GB/T 5237.4-2017 Wrought aluminium alloys extruded profiles for architecture—Part 4: Powder coating profiles
    铝合金建筑型材 第4部分:喷粉型材
    China National Standards
    4:

    English PDF
    GB/T 34500.4-2017 Chemical analysis methods for rare earth waste residue and waste water—Part 4: Determination of copper, zinc, lead, chromium, cadmium, barium, cobalt, manganese, nickel and titanium contents—Inductively coupled plasma emission spectrometry
    稀土废渣、废水化学分析方法 第4部分:铜、锌、铅、铬、镉、 钡、钴、锰、镍、钛量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    4:

    English PDF
    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
    4:

    English PDF
    GB/T 24818.4-2017 Cranes—Access, guards and restraints—Part 4: Jib cranes
    起重机 通道及安全防护设施 第4部分:臂架起重机
    China National Standards
    4:

    English PDF
    GB/T 20899.14-2017 Methods for chemical analysis of gold ores-Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry
    金矿石化学分析方法 第14部分:铊量的测定 电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱法
    China National Standards
    4:

    English PDF
    GB/T 29024.4-2017 Determination of particle size distribution-Single particle light interaction methods-Part 4: Light scattering airborne particle counter for clean spaces
    粒度分析 单颗粒的光学测量方法 第4部分:洁净间光散射尘埃粒子计数器
    China National Standards
    4:

    English PDF
    GB/T 4678.4-2017 Diecasting dies—Components—Part 4: Square guide pillars
    压铸模 零件 第4部分:方导柱
    China National Standards
    4:

    English PDF
    GB/T 30475.4-2017 Filters for compressed air—Test methods—Part 4: Water
    压缩空气过滤器 试验方法 第4部分:水
    China National Standards
    4:

    English PDF
    GB/T 34550.4-2017 Method for evaluation of cooling seawater treatment agents—Part 4: Dynamic simulation test
    海水冷却水处理药剂性能评价方法 第4部分:动态模拟试验
    China National Standards
    4:

    English PDF
    GB/T 34308.4-2017 Sports information classification and codes—Part 4: Sports medicine index code
    体育信息分类与代码 第4部分:运动医学指标代码
    China National Standards
    4:

    English PDF
    GB/T 22517.4-2017 Technical requirements and test methods for sports fields—Part 4: Synthetic surface for basketball
    体育场地使用要求及检验方法 第4部分:合成面层篮球场地
    China National Standards
    4:

    English PDF
    GB/T 17215.304-2017 Electricity metering equipment (a.c.)—Particular requirements—Part 4: Static meters connected via electronic transformer
    交流电测量设备 特殊要求 第4部分:经电子互感器接入的静止式电能表
    China National Standards
    4:

    English PDF
    GB/T 16902.4-2017 Rules for the presentation of graphical symbols for use on equipment—Part 4: Guidelines for the adaption of graphical symbols for use as icons
    设备用图形符号表示规则 第4部分:图形符号用作图标的重绘指南
    China National Standards
    4:

    English PDF
    GB/T 17466.24-2017 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 24: Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment
    家用和类似用途固定式电气装置的电器附件安装盒和外壳 第24部分:住宅保护装置和其他电源功耗电器的外壳的特殊要求
    China National Standards
    4:

    English PDF
    GB/T 3883.403-2017 Safety of motor-operated hand-held, transportable and garden tools―Part 4: Particular requirements for walk-behind and hand-held lawn trimmers and lawn edge trimmers
    手持式、可移式电动工具和园林工具的安全 第4部分:步行式和手持式草坪修整机、草坪修边机的专用要求
    China National Standards
    4:

    English PDF
    GB/T 16895.3-2017 Low-voltage electrical installations—Part 5-54: Selection and erection of electrical equipment—Earthing arrangements and protective conductors
    低压电气装置 第5-54部分:电气设备的选择和安装 接地配置和保护导体
    China National Standards
    4:

    English PDF
    GB/T 14598.24-2017 Measuring relays and protection equipment—Part 24: Common format for transient data exchange (COMTRADE) for power systems
    量度继电器和保护装置 第24部分:电力系统暂态数据交换(COMTRADE)通用格式
    China National Standards
    4:

    English PDF
    GB/T 19215.4-2017 Cable trunking and ducting systems for electrical installations—Part 2: Particular requirements—Section 4:Service poles
    电气安装用电缆槽管系统 第2部分:特殊要求 第4节:辅助端
    China National Standards
    4:

    English PDF
    GB/T 33905.4-2017 Intelligent sensor—Part 4: Methods of performance evaluation
    智能传感器 第4部分:性能评定方法
    China National Standards
    4:

    English PDF
    GB 5768.4-2017 Road traffic signs and markings—Part 4: Work zone
    道路交通标志和标线 第4部分:作业区
    China National Standards
    4:

    English PDF
    GB/T 19668.4-2017 Information technology service—Surveillance—Part 4: Information security surveillance specification
    信息技术服务 监理 第4部分:信息安全监理规范
    China National Standards
    4:

    English PDF
    GB/T 2099.8-2017 Plugs and socket-outlets for household and similar purposes—Part 2-4: Particular requirements for plugs and socket-outlets for SELV
    家用和类似用途插头插座 第2-4部分:安全特低电压(SELV)插头插座的特殊要求
    China National Standards
    4:

    English PDF
    GB/T 15972.44-2017 Specifications for optical fibre test methods—Part 44: Measurement methods and test procedures for transmission and optical characteristics—Cut-off wavelength
    光纤试验方法规范 第44部分:传输特性和光学特性的测量方法和试验程序 截止波长
    China National Standards
    4:

    English PDF
    GB/T 1232.4-2017 Rubber,unvulcanized—Determinations using a shearing-disc viscometer—Part 4: Determination of the Mooney stress-relaxation rate
    未硫化橡胶 用圆盘剪切黏度计进行测定 第4部分:门尼应力松弛率的测定
    China National Standards
    4:

    English PDF
    GB/T 15670.4-2017 Toxicological test methods for pesticides registration—Part 4:Acute oral toxicity test—Miller and Taninter’s method
    农药登记毒理学试验方法 第4部分:急性经口毒性试验 概率单位法
    China National Standards
    4:

    English PDF
    GB/T 18271.4-2017 Process measurement and control devices—General methods and procedures for evaluating performance—Part 4:Evaluation report content
    过程测量和控制装置 通用性能评定方法和程序 第4部分:评定报告的内容
    China National Standards
    4:

    English PDF
    GB/T 15670.14-2017 Toxicological test methods for pesticides registration—Part 14: Bacterial reverse mutation test
    农药登记毒理学试验方法 第14部分:细菌回复突变试验
    China National Standards
    4:

    English PDF
    GB/T 15670.24-2017 Toxicological test methods for pesticides registration—Part 24: Two-generation reproduction toxicity study
    农药登记毒理学试验方法 第24部分:两代繁殖毒性试验
    China National Standards
    4:

    English PDF
    GB/T 33863.4-2017 OPC unified architecture—Part 4: Services
    OPC统一架构 第4部分:服务
    China National Standards
    4:

    English PDF
    GB/T 27748.4-2017 Stationary fuel cell power systems Part 4: Performance test methods for small fuel cell power systems
    固定式燃料电池发电系统 第4部分:小型燃料电池发电系统性能试验方法
    China National Standards
    4:

    English PDF
    GB/T 33842.4-2017 Information technology—Conformance testing methodology for biometric data interchange formats defined in GB/T 26237—Part 4: Finger image data
    信息技术 GB/T 26237中定义的生物特征数据交换格式的符合性测试方法 第4部分:指纹图像数据
    China National Standards
    4:

    English PDF
    GB/T 9813.4-2017 General specification for computers—Part 4: Industrial application microcomputer
    计算机通用规范 第4部分:工业应用微型计算机
    China National Standards
    4:

    English PDF
    GB/T 33776.4-2017 Forestry internet of things—Part 4: General specification of hand-held intelligent terminal
    林业物联网 第4部分:手持式智能终端通用规范
    China National Standards
    4:

    English PDF
    GB/T 15651.4-2017 Semiconductor devices—Discrete devices—Part 5-4:Optoelectronic devices—Semiconductor lasers
    半导体器件 分立器件 第5-4部分:光电子器件 半导体激光器
    China National Standards
    4:

    English PDF
    GB/T 30240.4-2017 Guidelines for the use of English in public service areas—Part 4: Culture and entertainment
    公共服务领域英文译写规范 第4部分:文化娱乐
    China National Standards
    4:

    English PDF
    GB/T 31052.4-2017 Lifting appliances—Code of inspection and maintenance—Part 4: Jib cranes
    起重机械 检查与维护规程 第4部分:臂架起重机
    China National Standards
    4:

    English PDF
    GB/T 33588.4-2017 Lightning protection system components(LPSC)—Part 4: Requirements for conductor fasteners
    雷电防护系统部件(LPSC) 第4部分:导体紧固件的要求
    China National Standards
    4:

    English PDF
    GB/Z 24294.4-2017 Information security technology—Guide of implementation for Internet-based e-government information security—Part 4: Defense for terminal security
    信息安全技术 基于互联网电子政务信息安全实施指南 第4部分:终端安全防护
    China National Standards
    4:

    English PDF
    GB/T 17215.324-2017 Electricity metering equipment (a.c.)—Particular requirements—Part 24: Static meters for reactive energy at fundamental frequency (classes 0.5S,1S and 1)
    交流电测量设备 特殊要求 第24部分:静止式基波频率无功电能表(0.5S级,1S级和1级)
    China National Standards
    4:

    English PDF
    GB/T 1859.4-2017 Reciprocating internal combustion engines—Measurement of sound power levels using sound pressure—Part 4:Survey method using a reference sound source
    往复式内燃机 声压法声功率级的测定 第4部分:使用标准声源简易法
    China National Standards
    4:

    English PDF
    GB/T 33584.4-2017 Seawater quality requirements and analysis methods for seawater cooling system—Part 4: Determination of sulfate
    海水冷却水质要求及分析检测方法 第4部分:硫酸盐的测定
    China National Standards
    4:

    English PDF

    Find out:500Items   |  To Page of: First -Previous-Next -Last  | 1 2 3

     

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2025 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards