China National Standards

China measurement method GB Standards List


  •  China " measurement method" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 44183-2024 Technical requirements and measurement methods for performance of mobile terminals supporting Beidou-space radio frequency performance {译}
    支持北斗的移动终端性能技术要求及测量方法-空间射频性能
    China National Standards
    measurement method

    English PDF
    GB/T 44182-2024 Technical requirements and measurement methods for performance of mobile terminals supporting Beidou-electromagnetic compatibility performance {译}
    支持北斗的移动终端性能技术要求及测量方法-电磁兼容性能
    China National Standards
    measurement method

    English PDF
    GB/T 44119-2024 measurement method for antenna coefficient of radiated interference 1m method {译}
    辐射骚扰1m法天线系数测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 6113.106-2024 Specifications for radio disturbance and immunity measuring equipment and measurement methods - Part 1-6: Radio disturbance and immunity measuring equipment - EMC antenna calibration {译}
    无线电骚扰和抗扰度测量设备和测量方法规范-第1-6部分:无线电骚扰和抗扰度测量设备-EMC天线校准
    China National Standards
    measurement method

    English PDF
    GB/T 13181-2024 Solid scintillator performance measurement method {译}
    固体闪烁体性能测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 35717-2024 Measurement of flow rates of turbines, storage pumps and pump-turbines-Ultrasonic propagation time method {译}
    水轮机、蓄能泵和水泵水轮机流量的测量-超声传播时间法
    China National Standards
    measurement method

    English PDF
    GB/T 44088-2024 Technical requirements and test methods for the measurement module of the Beidou satellite navigation system {译}
    北斗卫星导航系统测量型模块技术要求及测试方法
    China National Standards
    measurement method

    English PDF
    GB/T 44128-2024 Road vehicles - Braking start pressure of pneumatic brake systems of heavy commercial trains - Roller brake test bench measurement method {译}
    道路车辆-重型商用列车气压制动系统制动开始压力-滚筒制动试验台测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 44040-2024 measurement methods for external noise of heavy-duty vehicles in multi-operating conditions {译}
    重型汽车多工况行驶车外噪声测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 19514-2024 measurement methods for the volume of luggage compartments of passenger cars {译}
    乘用车行李舱容积的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 12674-2024 measurement methods for mass parameters of automobiles, trailers and automobile trains {译}
    汽车、挂车及汽车列车质量参数测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 44075-2024 Nanotechnology-surface enhanced Raman solid-phase substrate uniformity measurement-Raman imaging analysis method {译}
    纳米技术-表面增强拉曼固相基片均匀性测量-拉曼成像分析法
    China National Standards
    measurement method

    English PDF
    GB/Z 44005.1-2024 Nanotechnology - Clay nanomaterials - Part 1: Properties and measurement methods of layered clays {译}
    纳米技术-黏土纳米材料-第1部分:层状黏土的特性及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 4074.2-2024 Test methods for winding wires - Part 2: Dimensional measurements {译}
    绕组线试验方法-第2部分:尺寸测量
    China National Standards
    measurement method

    English PDF
    GB/T 43845-2024 Weak static magnetic field imaging measurement method based on scanning nitrogen-vacancy probe {译}
    基于扫描氮-空位探针的微弱静磁场成像测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43870.1-2024 measurement method of Curie temperature of magnetic materials - Part 1: permanent magnetic materials {译}
    磁性材料居里温度的测量方法-第1部分:永磁材料
    China National Standards
    measurement method

    English PDF
    GB/T 43870.2-2024 measurement method of Curie temperature of magnetic materials - Part 2: soft magnetic materials {译}
    磁性材料居里温度的测量方法-第2部分:软磁材料
    China National Standards
    measurement method

    English PDF
    GB/T 43886-2024 Imaging materials - Processed color photographs - Thermal stability measurement methods {译}
    影像材料-已加工彩色照片-热稳定性测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 44003-2024 Mechanical Property Measurement - Test Method for Delamination Strength of REBCO Coated Conductors (Copper Plating) {译}
    力学性能测量-REBCO涂层导体(镀铜)脱层强度测试方法
    China National Standards
    measurement method

    English PDF
    GB/T 43784-2024 Performance characterization and measurement method of single photon source {译}
    单光子源性能表征及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43785-2024 Performance characterization and measurement method of optical clock {译}
    光钟性能表征及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43735-2024 Preparation method of Rydberg atoms in quantum precision measurement {译}
    量子精密测量中里德堡原子制备方法
    China National Standards
    measurement method

    English PDF
    GB/T 43817-2024 Radiation measurement method of ultraviolet radiation sources {译}
    紫外辐射源的辐射测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43736-2024 Method for testing performance parameters of optical frequency combs in precision optical frequency measurement {译}
    精密光频测量中光学频率梳性能参数测试方法
    China National Standards
    measurement method

    English PDF
    GB/T 43637-2024 measurement method of magnetic properties of isotropic rare earth bonded permanent magnet powder {译}
    城市光环境景观照明设施运行维护服务规范
    China National Standards
    measurement method

    English PDF
    GB/T 43780-2024 Nanotechnology - measurement methods for carrier mobility and sheet resistance of sub-nanometer graphene films {译}
    制造装备智能化通用技术要求
    China National Standards
    measurement method

    English PDF
    GB/T 43695-2024 Requirements and measurement methods for energy conversion efficiency of lithium-ion batteries and battery packs {译}
    锂离子电池和电池组能源转换效率要求和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43590.502-2024 Laser display devices - Part 5-2: Optical measurement methods for speckle contrast {译}
    激光显示器件-第5-2部分:散斑对比度光学测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43537-2023 Sound system equipment Headphones and personal music players Maximum sound pressure level measurement method {译}
    声系统设备 耳机及个人音乐播放器 最大声压级测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 35065.2-2023 Wet natural gas flow measurement Part 2: Flowmeter test and evaluation methods {译}
    湿天然气流量测量 第2部分:流量计测试和评价方法
    China National Standards
    measurement method

    English PDF
    GB/T 17626.30-2023 Electromagnetic compatibility - Testing and measurement technology - Part 30: Power quality measurement methods {译}
    电磁兼容 试验和测量技术 第30部分:电能质量测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 5700-2023 Lighting measurement methods {译}
    照明测量方法
    China National Standards
    measurement method

    English PDF
    GB/Z 6113.404-2023 Specification for radio disturbance and immunity measuring equipment and measurement methods Part 4-4: Uncertainty, statistics and limit value modeling Statistics of complaints and limit value calculation model for the protection of radio services {译}
    无线电骚扰和抗扰度测量设备和测量方法规范 第4-4部分:不确定度、统计学和限值建模 投诉的统计和保护无线电业务的限值计算模型
    China National Standards
    measurement method

    English PDF
    GB/T 30117.4-2023 Photobiosafety of lamps and lamp systems Part 4: measurement methods {译}
    灯和灯系统的光生物安全 第4部分:测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 13894-2023 Petroleum and liquid petroleum products Level measurement Manual methods {译}
    石油和液体石油产品 液位测量 手工法
    China National Standards
    measurement method

    English PDF
    GB/T 43266-2023 measurement method of magnetic declination angle of permanent magnets {译}
    永磁体磁偏角的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40853.2-2023 High frequency inductive components Electrical characteristics and measurement methods Part 2: Rated current of inductors for DC-DC converters {译}
    高频感性元件 电特性及其测量方法 第2部分:DC-DC变换器用电感器额定电流
    China National Standards
    measurement method

    English PDF
    GB/T 28869.3-2023 Magnetic cores made of soft magnetic materials - measurement methods - Part 3: Magnetic properties at high excitation levels {译}
    软磁材料制成的磁心 测量方法 第3部分:高励磁水平下的磁特性
    China National Standards
    measurement method

    English PDF
    GB/T 28869.2-2023 Magnetic cores made of soft magnetic materials - Methods of measurement - Part 2: Magnetic properties at low excitation levels {译}
    软磁材料制成的磁心 测量方法 第2部分:低励磁水平下的磁特性
    China National Standards
    measurement method

    English PDF
    GB/T 43232-2023 Fasteners - Ultrasonic measurement method of axial stress {译}
    紧固件 轴向应力超声测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43248-2023 Electric and hybrid vehicles - Radio disturbance characteristics - Limits and methods of measurement for the protection of off-board receivers below 30 MHz {译}
    电动汽车和混合动力汽车 无线电骚扰特性 用于保护30MHz以下车外接收机的限值和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 43413-2023 Non-destructive testing Infrared thermal imaging testing General rules for thermoelastic stress measurement methods {译}
    无损检测 红外热成像检测 热弹性应力测量方法通则
    China National Standards
    measurement method

    English PDF
    GB/T 43034.3-2023 Integrated circuits - Measurement of pulse immunity - Part 3: Non-synchronous transient injection method {译}
    集成电路 脉冲抗扰度测量 第3部分:非同步瞬态注入法
    China National Standards
    measurement method

    English PDF
    GB/T 43024.2-2023 Measurement techniques for piezoelectric, dielectric and electrostatic oscillators Part 2: Phase jitter measurement methods {译}
    压电、介电和静电振荡器的测量技术 第2部分:相位抖动测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42968.8-2023 Integrated circuits - Electromagnetic immunity measurements - Part 8: Radiated immunity measurements - IC stripline method {译}
    集成电路 电磁抗扰度测量 第8部分:辐射抗扰度测量 IC带状线法
    China National Standards
    measurement method

    English PDF
    GB/T 40602.3-2023 Radio interference from antennas and receiving systems Part 3: Site measurements Compact site performance verification methods {译}
    天线及接收系统的无线电干扰 第3部分:场地测量 紧缩场场地性能确认方法
    China National Standards
    measurement method

    English PDF
    GB/T 20787-2023 Reciprocating internal combustion engines—measurement methods for structure-borne noise {译}
    往复式内燃机 结构噪声测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 12113-2023 Methods of measurement of touch current and protective conductor current {译}
    接触电流和保护导体电流的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42921-2023 Optical functional film Polyethylene terephthalate (PET) film Protective film adhesion measurement method {译}
    光学功能薄膜 聚对苯二甲酸乙二醇酯(PET)薄膜 保护膜黏着力测定方法
    China National Standards
    measurement method

    English PDF
    GB/T 10593.2-2023 measurement methods for environmental parameters of electrical and electronic products Part 2: Salt spray {译}
    电工电子产品环境参数测量方法 第2部分:盐雾
    China National Standards
    measurement method

    English PDF
    GB/T 7704-2017 Non-destructive testing X-ray stress measurement method "No. 1 Amendment" {译}
    无损检测 X射线应力测定方法《第1号修改单》
    China National Standards
    measurement method

    English PDF
    GB/T 42646-2023 Layout and measurement method of spaceborne laser altimeter site calibration detector {译}
    星载激光测高仪场地定标探测器布设与测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 26140-2023 Nondestructive Testing - Neutron Diffraction Method for Residual Stress Measurement {译}
    无损检测 残余应力测量的中子衍射方法
    China National Standards
    measurement method

    English PDF
    GB/T 6683.3-2023 Petroleum and related products—measurement methods and precision of results—Part 3: Monitoring and verification of published precision data for test methods {译}
    石油及相关产品 测量方法与结果精密度 第3部分:试验方法已发布精密度数据的监测和验证
    China National Standards
    measurement method

    English PDF
    GB/T 42687-2023 Ships and marine technology - Marine cranes - Noise requirements and measurement methods {译}
    船舶与海洋技术 船用起重机 噪声要求与测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42750-2023 Optical radiation safety measurement method for wearable devices {译}
    可穿戴设备的光辐射安全测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 15879.604-2023 Mechanical standardization of semiconductor devices - Part 6-4: General rules for drawing outline drawings of surface mount semiconductor device packages - Dimensional measurement methods for ball array (BGA) packages {译}
    半导体器件的机械标准化 第6-4部分:表面安装半导体器件封装外形图绘制的一般规则 焊球阵列(BGA)封装的尺寸测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42588-2023 Systems and software engineering Functional size measurement NESMA method {译}
    系统与软件工程 功能规模测量 NESMA方法
    China National Standards
    measurement method

    English PDF
    GB/T 42566-2023 Systems and Software Engineering Functional Size Measurement MkII Function Point Analysis Method {译}
    系统与软件工程 功能规模测量 MkII功能点分析方法
    China National Standards
    measurement method

    English PDF
    GB/T 42638-2023 Method for direct measurement of coal seam gas drainage radius in underground coal mine - Drainage volume method {译}
    煤矿井下煤层瓦斯抽采半径直接测定方法 抽采量法
    China National Standards
    measurement method

    English PDF
    GB/Z 17626.33-2023 Electromagnetic compatibility - Testing and measurement techniques - Part 33: measurement methods for high power transient parameters {译}
    电磁兼容 试验和测量技术 第33部分:高功率瞬态参数测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42403-2023 Lasers and laser-related equipment - measurement methods for laser spectral characteristics {译}
    激光器和激光相关设备 激光光谱特性测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 521-2023 measurement method of tire outer edge size {译}
    轮胎外缘尺寸测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42158-2023 Micro-Electro-Mechanical Systems (MEMS) Technology-Description and measurement methods of Micro-grooves and Pyramidal Needle Structures {译}
    微机电系统(MEMS)技术 微沟槽和棱锥式针结构的描述和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42469-2023 Nanotechnology -- Antimicrobial silver nanoparticles -- General principles of properties and methods of measurement {译}
    纳米技术 抗菌银纳米颗粒 特性及测量方法通则
    China National Standards
    measurement method

    English PDF
    GB/T 42486-2023 Hair fiber length measurement method Random whisker image method {译}
    毛型纤维长度测量法 随机须丛影像法
    China National Standards
    measurement method

    English PDF
    GB/T 13277.8-2023 Compressed air - Part 8: Methods of measurement of mass concentration of solid particles {译}
    压缩空气 第8部分:固体颗粒质量浓度测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42449-2023 Systems and software engineering Functional size measurement IFPUG method {译}
    系统与软件工程 功能规模测量 IFPUG方法
    China National Standards
    measurement method

    English PDF
    GB/T 42452-2023 Systems and Software Engineering Functional Size Measurement COSMIC Method {译}
    系统与软件工程 功能规模测量 COSMIC方法
    China National Standards
    measurement method

    English PDF
    GB/T 42448-2023 System and software engineering Functional scale measurement FiSMA1.1 method {译}
    系统与软件工程 功能规模测量 FiSMA1.1方法
    China National Standards
    measurement method

    English PDF
    GB/T 41161-2022 Reciprocating internal combustion engines—measurement method for combustion noise
    往复式内燃机 燃烧噪声测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 8446.2-2022 Heat sinks for power semiconductor devices—Part 2: measurement methods of thermal resistance and inlet-outlet fluid pressure drop
    电力半导体器件用散热器  第2部分:热阻和流阻测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 41311.1-2022 Acoustics - Describe the quantity of underwater noise from ships and methods of measurement - Part 1: Requirements for precision measurements in deep water for comparison purposes {译}
    声学 描述船舶水下噪声的量及其测量方法 第1部分:用于比对目的的深水精密测量要求
    China National Standards
    measurement method

    English PDF
    GB/T 6113.402-2022 Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities {译}
    无线电骚扰和抗扰度测量设备和测量方法规范 第4-2部分:不确定度、统计学和限值建模 测量设备和设施的不确定度
    China National Standards
    measurement method

    English PDF
    GB/T 42287-2022 High Voltage Test Techniques Electromagnetic and Acoustic Methods for Partial Discharge Measurements {译}
    高电压试验技术 电磁和声学法测量局部放电
    China National Standards
    measurement method

    English PDF
    GB/T 42140-2022 Information technology; Cloud computing; Cloud operating system performance testing indicators and measurement methods {译}
    信息技术 云计算 云操作系统性能测试指标和度量方法
    China National Standards
    measurement method

    English PDF
    GB/T 11942-2022 Chromaticity measurement method of colored building materials {译}
    彩色建筑材料色度测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42257-2022 Chromium-erbium co-doped yttrium-scandium-gallium garnet crystal optical and laser performance measurement method {译}
    铬铒共掺钇钪镓石榴石晶体光学及激光性能测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 42271-2022 Non-contact measurement method for resistivity of semi-insulating silicon carbide single crystal {译}
    半绝缘碳化硅单晶的电阻率非接触测试方法
    China National Standards
    measurement method

    English PDF
    GB/T 13277.9-2022 Compressed air - Part 9: Methods of measurement of liquid water content {译}
    压缩空气 第9部分:液态水含量测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 23920-2022 Low-speed vehicles - Maximum speed measurement method {译}
    低速汽车 最高车速测定方法
    China National Standards
    measurement method

    English PDF
    GB/T 41641-2022 Measurement of mechanical properties - Tensile test method for REBCO strip at room temperature {译}
    力学性能测量 REBCO带材室温拉伸试验方法
    China National Standards
    measurement method

    English PDF
    GB/T 3656-2022 Throwing measurement method of coercive force of electromagnetic pure iron and soft magnetic alloy {译}
    电磁纯铁及软磁合金矫顽力的抛移测量方法
    China National Standards
    measurement method

    English PDF
    GB 14023-2022 Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for protection of off-vehicle receivers {译}
    车辆、船和内燃机 无线电骚扰特性 用于保护车外接收机的限值和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40523.3-2021 Ships and marine technology—Measurement of changes in hull and propeller performance—Part 3: Alternative methods
    船舶与海上技术 船体和螺旋桨性能变化测量 第3部分:替代方法
    China National Standards
    measurement method

    English PDF
    GB/T 40523.2-2021 Ships and marine technology—Measurement of changes in hull and propeller performance—Part 2: Default method
    船舶与海上技术 船体和螺旋桨性能变化测量 第2部分:默认方法
    China National Standards
    measurement method

    English PDF
    GB/T 40404-2021 Slag material—Measurement of melting temperature—High temperature metallographic method
    渣类材料 熔化温度的测定 高温金相法
    China National Standards
    measurement method

    English PDF
    GB/T 40346-2021 Equipment for crop protection—Method for measurement of potential spray drift from horizontal boom sprayers by the use of a test bench
    植物保护机械 水平喷杆喷雾机潜在喷雾漂移试验台测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40296-2021 Practical superconducting wires—Twist pitch measurement method of Nb-Ti and Nb3Sn composite superconductors
    实用超导线 铌-钛(Nb-Ti)与铌三锡(Nb3Sn)复合超导体的扭距测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 15972.31-2021 Specifications for optical fibre test methods—Part 31: measurement methods and test procedures for mechanical characteristics—Tensile strength
    光纤试验方法规范 第31部分:机械性能的测量方法和试验程序 抗张强度
    China National Standards
    measurement method

    English PDF
    GB/T 40139-2021 Measuring method for surface areas of materials—Three dimensional area measurement base on hyperspectral imaging
    材料表面积的测量 高光谱成像三维面积测量法
    China National Standards
    measurement method

    English PDF
    GB/T 40291-2021 Nuclear instrumentation—High-purity germanium crystals for radiation detectors—measurement methods of basic characteristics
    核仪器仪表 辐射探测器用高纯度锗晶体 基本特性的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40071-2021 Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Optical contrast method
    纳米技术 石墨烯相关二维材料的层数测量 光学对比度法
    China National Standards
    measurement method

    English PDF
    GB/T 40069-2021 Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Raman spectroscopy method
    纳米技术 石墨烯相关二维材料的层数测量 拉曼光谱法
    China National Standards
    measurement method

    English PDF
    GB/T 31838.7-2021 Solid insulating materials - Dielecteric and resistive properties - Part 7: Resistive properties(DC method) - Measurement of volume resistance and volume resistivity at elevated temperatures
    固体绝缘材料 介电和电阻特性 第7部分:电阻特性(DC方法) 高温下测量体积电阻和体积电阻率
    China National Standards
    measurement method

    English PDF
    GB/T 28543-2021 Noise measurement method on power capacitors
    电力电容器噪声测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 17934.1-2021 Graphic technology-Process control for the production of half-tone colour separations,proof and production prints-Part 1:Parameters and measurement methods
    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1部分:参数与测量方法
    China National Standards
    measurement method

    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
    measurement method

    English PDF
    GB/T 21227-2021 AC loss measurements—Magnetometer methods for hysteresis loss in superconducting multifilamentary composites
    交流损耗测量 多丝复合超导材料磁滞损耗的磁强计测量法
    China National Standards
    measurement method

    English PDF
    GB/T 21548-2021 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems
    光通信用高速直接调制半导体激光器的测量方法
    China National Standards
    measurement method

    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
    measurement method

    English PDF
    GB/T 19346.3-2021 Methods of measurement of amorphous and nanocrystalline alloys-Part 3:AC magnetic properties of Fe-based amorphous strip using a single sheet specimen
    非晶纳米晶合金测试方法 第3部分:铁基非晶单片试样交流磁性能
    China National Standards
    measurement method

    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
    measurement method

    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
    measurement method

    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
    measurement method

    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
    measurement method

    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
    measurement method

    English PDF
    GB/T 15972.30-2021 Specifications for optical fibre test methods—Part 30: measurement methods and test procedures for mechanical characteristics—Fibre proof test
    光纤试验方法规范 第30部分:机械性能的测量方法和试验程序 光纤筛选试验
    China National Standards
    measurement method

    English PDF
    GB/T 15972.20-2021 Specifications for optical fibre test methods-Part 20:measurement methods and test procedures for dimensions- Fibre geometry
    光纤试验方法规范 第20部分:尺寸参数的测量方法和试验程序 光纤几何参数
    China National Standards
    measurement method

    English PDF
    GB/T 15972.10-2021 Specifications for optical fibre test methods-Part 10:measurement methods and test procedures-General and guidance
    光纤试验方法规范 第10部分:测量方法和试验程序 总则
    China National Standards
    measurement method

    English PDF
    GB/T 39848-2021 Methods of measurement for flat panel display color gamut
    平板显示器色域测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 39771.2-2021 Optical radiation safety of LEDs—Part 2: measurement methods
    半导体发光二极管光辐射安全 第2部分:测试方法
    China National Standards
    measurement method

    English PDF
    GB/T 17743-2021 Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
    电气照明和类似设备的无线电骚扰特性的限值和测量方法
    China National Standards
    measurement method

    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
    measurement method

    English PDF
    GB/T 41105.3-2021 Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: Spectrometric method
    无损检测? X射线管电压的测量和评价 第3部分:能谱法
    China National Standards
    measurement method

    English PDF
    GB/T 41105.2-2021 Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 2: Constancy check by the thick filter method
    无损检测? X射线管电压的测量和评价 第2部分:厚板滤波法稳定性核查
    China National Standards
    measurement method

    English PDF
    GB/T 41105.1-2021 Non-destructive testing—Measurement and evaluation of the X-ray tube voltage—Part 1:Voltage divider method
    无损检测 X射线管电压的测量和评价 第1部分:分压法
    China National Standards
    measurement method

    English PDF
    GB/T 29004-2021 Rice transplanter -- Evaluation index and measurement methods for fuel consumption
    水稻插秧机 燃油消耗量指标及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 10762-2021 Method of mass measurements for industrial and mining electric locomotive
    工矿电机车质量测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 20724-2021 Microbeam analysis—Method of thickness measurement for thin crystals by convergent beam electron diffraction
    微束分析 薄晶体厚度的会聚束电子衍射测定方法
    China National Standards
    measurement method

    English PDF
    GB/T 20076-2021 measurement methods of maximum torque and maximum net power of engines for motorcycles and mopeds
    摩托车和轻便摩托车发动机最大扭矩和最大净功率测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 41070-2021 Lenticular lens film for autostereoscopic 3D display -- Optical measurement method
    裸眼3D柱透镜光栅膜 光学测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 32483.2-2021 Energy performance of lamp controlgear—Part 2:Controlgear for high intensity discharge lamps(excluding fluorescent lamps)—Method of measurement to determine the efficiency of controlgear
    灯控制装置的效率要求 第2部分:高压放电灯(荧光灯除外) 控制装置效率的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 21021.1-2021 Intermodulation level measurement for passive RF and microwave devices—Part 1: General requirements and measuring methods
    无源射频和微波元器件的互调电平测量 第1部分:一般要求和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40602.1-2021 Antennas and reception systems for radio interference—Part 1: Basic measurement—Method for far field measuring in microwave anechoic chamber
    天线及接收系统的无线电干扰 第1部分:基础测量 天线方向图的室内远场测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40602.2-2021 Antennas and reception systems for radio interference—Part 2:Basic measurement—Method for near field measuring high gain antenna pattern in microwave anechoic chamber
    天线及接收系统的无线电干扰 第2部分:基础测量 高增益天线方向图室内平面近场测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40794-2021 measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet
    稀土永磁材料高温磁通不可逆损失检测方法
    China National Standards
    measurement method

    English PDF
    GB/T 6683.1-2021 Petroleum and related products—Precision of measurement methods and results—Part 1: Determination of precision data in relation to methods of test
    石油及相关产品 测量方法与结果精密度 第1部分:试验方法精密度数据的确定
    China National Standards
    measurement method

    English PDF
    GB/T 40625-2021 Indoor measurement methods for noise emitted by accelerating motor vehicles
    汽车加速行驶车外噪声室内测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 40578-2021 measurement methods for noise emitted by light-duty vehicles in multiple driving mode conditions
    轻型汽车多工况行驶车外噪声测量方法
    China National Standards
    measurement method

    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
    measurement method

    English PDF
    GB/T 15972.32-2021 Specifications for optical fibre test methods—Part 32: measurement methods and test procedures for mechanical characteristics—Coating strippability
    光纤试验方法规范 第32部分:机械性能的测量方法和试验程序 涂覆层可剥性
    China National Standards
    measurement method

    English PDF
    GB/T 38852.2-2020 Industrial-process measurement, control and automation—Evaluation of system properties for the purpose of system assessment—Part 2: Assessment methodology
    工业过程测量控制和自动化 系统评估中系统特性的评定 第2部分:评估方法学
    China National Standards
    measurement method

    English PDF
    GB/T 39042-2020 Measurement of the magnetic properties of electrical steels by means of a single sheet tester—H-coil method
    电工钢单片磁性能测试 H线圈法
    China National Standards
    measurement method

    English PDF
    GB/T 12967.1-2020 Test methods for anodic oxidation coatings and organic polymer coatings of aluminium and aluminium alloys―Part 1: Measurement of abrasion resistance
    铝及铝合金阳极氧化膜及有机聚合物膜检测方法 第1部分:耐磨性的测定
    China National Standards
    measurement method

    English PDF
    GB/T 19233-2020 measurement methods of fuel consumption for light-duty vehicles
    轻型汽车燃料消耗量试验方法
    China National Standards
    measurement method

    English PDF
    GB/T 38897-2020 Non-destructive testing—measurement method for material elastic modulus and Poisson’s ratio using ultrasoinc velocity
    无损检测 弹性模量和泊松比的超声测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 38737-2020 Plastics—Determination of the ultimate anaerobic biodegradation of plastic materials in controlled slurry digestion systems—Method by measurement of biogas production
    塑料 受控污泥消化系统中材料最终厌氧生物分解率测定 采用测量释放生物气体的方法
    China National Standards
    measurement method

    English PDF
    GB/T 38777-2020 Technical requirements and methods of measurement for digital terrestrial television external receiving module
    地面数字电视外接模块式接收终端技术要求和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 28239-2020 Limits and measurement methods for non-road diesel engine specific fuel consumption
    非道路用柴油机燃料消耗率限值及试验方法
    China National Standards
    measurement method

    English PDF
    GB/T 38446-2020 Micro-electromechanical system technology—Test methods for tensile property measurement of strip thin films
    微机电系统(MEMS)技术 带状薄膜抗拉性能的试验方法
    China National Standards
    measurement method

    English PDF
    GB/T 39640-2020 measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure
    家用电器及类似器具电磁场相对于人体曝露的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 39585-2020 Opto-electronic measurement—Performance requirements and test methods of light distribution measurement system
    光电测量 配光测试系统的性能要求和检测方法
    China National Standards
    measurement method

    English PDF
    GB/T 6113.203-2020 Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-3: Methods of measurement of disturbances and immunity—Radiated disturbance measurements
    无线电骚扰和抗扰度测量设备和测量方法规范 第2-3部分:无线电骚扰和抗扰度测量方法 辐射骚扰测量
    China National Standards
    measurement method

    English PDF
    GB/T 29239-2020 Energy efficiency metrics and measurement method for mobile communication equipment—Base station
    移动通信设备节能参数和测试方法 基站
    China National Standards
    measurement method

    English PDF
    GB/T 21246-2020 measurement method for cathodic protection parameters of buried steel pipelines
    埋地钢质管道阴极保护参数测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 14098-2020 Turbines and turbine sets—Measurement of emitted airborne noise—Engineering/survey method
    燃气轮机和燃气轮机机组 气载噪声的测量 工程法/简易法
    China National Standards
    measurement method

    English PDF
    GB/T 38336-2019 Industrial, scientific and medical robots—Electromagnetic compatibility—Emission methods of measurement and limits
    工业、科学和医疗机器人 电磁兼容 发射测试方法和限值
    China National Standards
    measurement method

    English PDF
    GB/T 38432-2019 Particle—Gas-solid reaction measurement—Micro fluidized bed method
    颗粒 气固反应测定 微型流化床法
    China National Standards
    measurement method

    English PDF
    GB/T 38336-2019 Industrial, scientific and medical robots—Electromagnetic compatibility—Emission methods of measurement and limits
    工业、科学和医疗机器人 电磁兼容 发射测试方法和限值
    China National Standards
    measurement method

    English PDF
    GB 4824-2019 Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement
    工业、科学和医疗设备 射频骚扰特性 限值和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 37966-2019 Nanotechnologies—measurement method for peroxidase-like activity of iron oxide nanoparticles
    纳米技术 氧化铁纳米颗粒类过氧化物酶活性测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 25104-2019 Automatic measurement of water content in crude oil—RF method
    原油水含量的自动测定 射频法
    China National Standards
    measurement method

    English PDF
    GB/T 10129-2019 Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies
    电工钢带(片)中频磁性能测量方法
    China National Standards
    measurement method

    English PDF
    GB 15744-2019 The limits and measurement methods of fuel consumption for motorcycles and mopeds
    摩托车和轻便摩托车燃油消耗量限值及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 38437-2019 Methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method
    用抽拉或旋转方式测量铁磁材料样品磁偶极矩的方法
    China National Standards
    measurement method

    English PDF
    GB/T 37617-2019 Test methods for Zeta potential of nanofiltration membrane surface—Streaming potential measurement
    纳滤膜表面Zeta电位测试方法 流动电位法
    China National Standards
    measurement method

    English PDF
    GB/T 19289-2019 Methods of measurement of resistivity,density and stacking factor of electrical steel strip and sheet
    电工钢带(片)的电阻率、密度和叠装系数的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 351-2019 Metallic materials—Resistivity measurement method
    金属材料 电阻率测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 37692-2019 Running mode specific fuel consumption limits and measurement methods for small spark ignition engines of non-road mobile machinery
    非道路移动机械用小型点燃式发动机工况法燃料消耗率限值与测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 37543-2019 measurement method for total electric field strength and ion current density of DC transmission line and converter station
    直流输电线路和换流站的合成场强与离子流密度的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 37412-2019 Lasers and laser-related equipment—Cavity ring-down method for high reflectance measurement
    激光器和激光相关设备 光腔衰荡高反射率测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 28438.2-2019 Objective assessment and measurement methods for coverage of digital terrestrial television broadcasting signals—Part 2: Mobile reception
    地面数字电视广播信号覆盖质量客观评估和测量方法 第2部分:移动接收
    China National Standards
    measurement method

    English PDF
    GB/T 21451.5-2019 Petroleum and liquid petroleum products—Measurement of level and temperature in storage tanks by automatic methods—Part 5: Measurement of temperature in marine vessels
    石油和液体石油产品 储罐中液位和温度自动测量法 第5部分:油船舱中的温度测量
    China National Standards
    measurement method

    English PDF
    GB/T 21451.2-2019 Petroleum and liquid petroleum products—Measurement of level and temperature in storage tanks by automatic methods—Part 2:Measurement of level in marine vessels
    石油和液体石油产品 储罐中液位和温度自动测量法 第2部分: 油船舱中的液位测量
    China National Standards
    measurement method

    English PDF
    GB/T 37139-2018 Requirements for EMC measurement methods for DC powered equipment
    直流供电设备的EMC测量方法要求
    China National Standards
    measurement method

    English PDF
    GB/T 36982-2018 Interface technical requirements and measurement methods of the digital optical line terminal used in program distribution network
    节目分配网络ASI数字光端机接口技术要求和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 36998-2018 Technical requirements and measurement methods for ASI combiner/splitter used in program distribution network
    节目分配网络ASI合路/分路器技术要求和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 37130-2018 measurement methods for electromagnetic fields of vehicle with regard to human exposure
    车辆电磁场相对于人体曝露的测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 6113.201-2018 Specification for radio disturbance and immunity measuring apparatus and methods-Part 2-1:Methods of measurement of disturbances and immunity-Conducted disturbance measurements
    无线电骚扰和抗扰度测量设备和测量方法规范-第2-1部分:无线电骚扰和抗扰度测量方法-传导骚扰测量
    China National Standards
    measurement method

    English PDF
    GB 3847-2018 Limits and measurement methods for emissions form diesel vehicles under free acceleration and lugdown cycle
    柴油车污染物排放限值及测量方法(自由加速法及加载减速法)
    China National Standards
    measurement method

    English PDF
    GB 18285-2018 Limits and measurement methods for emissions from gasoline vehicles under two-speed idle conditions and simple driving mode conditions
    汽油车污染物排放限值及测量方法(双怠速法及简易工况法)
    China National Standards
    measurement method

    English PDF
    GB/T 26068-2018 Test method for carrier recombination lifetime in silicon wafers and silicon ingots—Non-contact measurement of photoconductivity decay by microwave reflectance method
    硅片和硅锭载流子复合寿命的测试-非接触微波反射光电导衰减法
    China National Standards
    measurement method

    English PDF
    GB/T 50355-2018 Standard of limit and measurement method of vibration in the room of residential buildings
    住宅建筑室内振动限值及其测量方法标准
    China National Standards
    measurement method

    English PDF
    GB/T 36969-2018 Nanotechnology—Method for the measurement of the nanofilm-thickness by atomic force microscopy
    纳米技术-原子力显微术测定纳米薄膜厚度的方法
    China National Standards
    measurement method

    English PDF
    GB 36886-2018 Limit and measurement methods for exhaust smoke form non-road mobile machinery equipped with diesel engine
    非道路柴油移动机械排气烟度限值及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 36275-2018 Limit and measurement methods of electromagnetic compatibility for private digital mobile radio equipment
    专用数字对讲设备电磁兼容限值和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 27419-2018 Guide to the evaluation and expression of uncertainty in measurement—Supplement 1: Propagation of distributions using a Monte Carlo method
    测量不确定度评定和表示 补充文件1: 基于蒙特卡洛方法的分布传播
    China National Standards
    measurement method

    English PDF
    GB/T 35092-2018 Methods of static load deflection measurement for hydraulic presses
    液压机静载变形测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 35033-2018 measurement method on conductive properties of electromagnetic shielding material and bonding impedance of metal material for 30MHz to 1GHz
    30MHz~1GHz电磁屏蔽材料导电性能和金属材料搭接阻抗测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 35052-2018 Magnetite content measurement method for heavy medium suspension used in heavy medium cyclones in coal preparation plant
    选煤厂重介质旋流器悬浮液中磁性物含量的测定方法
    China National Standards
    measurement method

    English PDF
    GB/T 6113.202-2018 Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-2: Methods of measurement of disturbances and immunity—Measurement of disturbance power
    无线电骚扰和抗扰度测量设备和测量方法规范 第2-2 部分:无线电骚扰和抗扰度测量方法 骚扰功率测量
    China National Standards
    measurement method

    English PDF
    GB/T 18655-2018 Vehicles, boats and internal combustion engines—Radio disturbance characteristics—Limits and methods of measurement for the protection of on-board receivers
    车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 6113.102-2018 Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-2:Radio disturbance and immunity measuring apparatus—Coupling devices for conducted disturbance measurements
    无线电骚扰和抗扰度测量设备和测量方法规范 第1-2部分:无线电骚扰和抗扰度测量设备 传导骚扰测量的耦合装置
    China National Standards
    measurement method

    English PDF
    GB/T 20441.2-2018 Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
    电声学 测量传声器 第2部分:采用互易技术对实验室标准传声器声压校准的原级方法
    China National Standards
    measurement method

    English PDF
    GB/T 36580-2018 Test method of model propeller for cavitation observation and pressure fluctuation measurement
    船舶螺旋桨空泡脉动压力模型试验方法
    China National Standards
    measurement method

    English PDF
    GB/T 14218-2018 Electronic lighting control equipment performance parameters and measurement methods
    电子调光设备性能参数与测试方法
    China National Standards
    measurement method

    English PDF
    GB 17691-2018 Limits and measurement methods for emissions from diesel fuelled heavy-duty vehicles(China VI)
    重型柴油车污染物排放限值及测量方法(中国第六阶段)
    China National Standards
    measurement method

    English PDF
    GB 20073-2018 Performance and measurement method for braking of motorcycles and mopeds
    摩托车和轻便摩托车制动性能要求及试验方法
    China National Standards
    measurement method

    English PDF
    GB/T 35935-2018 Measurement of the mean and distribution of animal fibre diameter—Laserscan fibre diameter analysis method
    动物毛纤维平均直径与分布试验方法 激光扫描纤维直径分析法
    China National Standards
    measurement method

    English PDF
    GB/T 24369.2-2018 Characterization of gold nanorods—Part 2: measurement methods for optical properties
    金纳米棒表征 第2部分:光学性质测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 6113.402-2018 Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-2:Uncertainties, statistics and limit modelling—Measurement instrumentation uncertainty
    无线电骚扰和抗扰度测量设备和测量方法规范 第4-2部分: 不确定度、统计学和限值建模 测量设备和设施的不确定度
    China National Standards
    measurement method

    English PDF
    GB/T 22319.11-2018 Measurement of quartz crystal unit parameters—Part 11:Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
    石英晶体元件参数的测量 第11部分:采用自动网络分析技术和误差校正确定负载谐振频率和有效负载电容的标准方法
    China National Standards
    measurement method

    English PDF
    GB/T 34894-2017 Micro-electromechanical system technology—Measuring method for strain gradient measurements of MEMS microstructures using an optical interferometer
    微机电系统(MEMS)技术 基于光学干涉的MEMS微结构应变梯度测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 34900-2017 Micro-electromechanical system technology—Measuring method for residual strain measurements of MEMS microstructures using an optical interferometer
    微机电系统(MEMS)技术 基于光学干涉的MEMS微结构残余应变测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 22159.5-2017 Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of 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5部分:弹性支撑件低频平动动刚度的驱动点测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 34893-2017 Micro-electromechanical system technology—Measuring method for in-plane length measurements of MEMS microstructures using an optical interferometer
    微机电系统(MEMS)技术 基于光学干涉的MEMS微结构面内长度测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 25102.8-2017 Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
    电声学 助听器 第8部分:模拟实际工作条件下的助听器性能测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 16697-2017 General technical requirement and measurement method for non-broadcast camera of single sensor
    单传感器应用电视摄像机通用技术要求及测量方法
    China National Standards
    measurement method

    English PDF
    GB/T 6494-2017 measurement method for electrical characteristics of aerospace solar cells
    航天用太阳电池电性能测试方法
    China National Standards
    measurement method

    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