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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14191.2-2021 |
Prosthetics and oRThotics— Vocabulary—Part 2: Terms relating to external limb prostheses and wearers of these prostheses 假肢学和矫形器学 术语 第2部分：假肢与假肢使用者术语 |
China National Standards RT |
 English PDF |
| GB/T 4214.9-2021 |
Test method for noise of household and similar electrical appliances—PaRTicular requirements for fans 家用和类似用途电器噪声测试方法 风扇的特殊要求 |
China National Standards RT |
English PDF |
| GB/T 4214.8-2021 |
Test method for noise of household and similar electrical appliances—PaRTicular requirements for electric cooking ranges, ovens, grills, microwave ovens and any combination of these 家用和类似用途电器噪声测试方法 电灶、烤箱、烤架、微波炉及其组合器具的特殊要求 |
China National Standards RT |
English PDF |
| GB/T 39963-2021 |
Technical specification on C80~C100 concrete shaft lining applied in veRTical freezing shaft 立井冻结法凿井井壁应用C80～C100混凝土技术规程 |
China National Standards RT |
English PDF |
| GB/T 3488.3-2021 |
Hardmetals—Metallographic determination of microstructure—PaRT 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals 硬质合金 显微组织的金相测定 第3部分：Ti（C,N）和WC立方碳化物基硬质合金显微组织的金相测定 |
China National Standards RT |
English PDF |
| GB/T 39741.1-2021 |
Plain bearings—Tolerances—PaRT 1：Fits 滑动轴承 公差 第1部分：配合 |
China National Standards RT |
English PDF |
| GB/T 39956.2-2021 |
Pneumatic fluid power—Electro-pneumatic pressure control valves—PaRT 2: Test methods to determine main characteristics to include in the supplier's literature 气动 电-气压力控制阀 第2部分：评定商务文件中应包含的主要特性的试验方法 |
China National Standards RT |
English PDF |
| GB/T 39956.1-2021 |
Pneumatic fluid power—Electro-pneumatic pressure control valves—PaRT 1:Main characteristics to include in the supplier's literature 气动 电-气压力控制阀 第1部分：商务文件中应包含的主要特性 |
China National Standards RT |
English PDF |
| GB/T 39953-2021 |
5-axis simultaneous machining center—Testing of the accuracy for RTCP 五轴联动加工中心 RTCP精度检验 |
China National Standards RT |
English PDF |
| GB/T 39949.3-2021 |
Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—PaRT 3: 16 MPa compact series with bores from 250mm to 500mm 液压传动 单杆缸附件的安装尺寸 第3部分：16 MPa缸径250 mm～500 mm紧凑型系列 |
China National Standards RT |
English PDF |
| GB/T 39949.2-2021 |
Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—PaRT 2:16 MPa compact series with bores from 25 mm to 220 mm 液压传动 单杆缸附件的安装尺寸 第2部分：16MPa缸径25mm～220mm紧凑型系列 |
China National Standards RT |
English PDF |
| GB/T 39949.1-2021 |
Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—PaRT 1:16 MPa medium and 25 MPa series 液压传动 单杆缸附件的安装尺寸 第1部分：16MPa中型系列和25MPa系列 |
China National Standards RT |
English PDF |
| GB/T 39926-2021 |
Hydraulic fluid power—Filter element test methods—Thermal conditioning and cold staRT-up simulation 液压传动 滤芯试验方法 热工况和冷启动模拟 |
China National Standards RT |
English PDF |
| GB/T 39897-2021 |
Determination of volatile organic compounds and aldehydes and ketones in nonmetallic paRTs of vehicles 车内非金属部件挥发性有机物和醛酮类物质检测方法 |
China National Standards RT |
English PDF |
| GB/T 39892-2021 |
Specification of repoRTing and processing of motor vehicle product defect clue 汽车产品缺陷线索报告及处理规范 |
China National Standards RT |
English PDF |
| GB/T 39853.2-2021 |
Power quality measurement in power supply systems—PaRT 2: Functional tests and uncertainty requirements 供电系统中的电能质量测量 第2部分：功能试验和不确定度要求 |
China National Standards RT |
English PDF |
| GB/T 39853.1-2021 |
Power quality measurement in power supply systems—PaRT 1: Power quality instruments (PQI) 供电系统中的电能质量测量 第1部分：电能质量监测设备（PQI） |
China National Standards RT |
English PDF |
| GB/T 39851.2-2021 |
Road vehicles—Diagnostic communication over Controller Area Network (DoCAN) —PaRT 2:Transport protocol and network layer services 道路车辆 基于控制器局域网的诊断通信 第2部分：传输层协议和网络层服务 |
China National Standards RT |
English PDF |
| GB/T 39847-2021 |
Verification test methods of access satellite network for FSS communication eaRTh station 固定卫星通信业务地球站进入卫星网络的验证测试方法 |
China National Standards RT |
English PDF |
| GB/T 39831-2021 |
Hydraulic fluid power—Four-poRT modular stack valves and four-port directional control valves, sizes 02, 03, 05, 07, 08 and 10—Clamping dimensions 液压传动 规格02、03、05、07、08和10的四油口叠加阀和方向控制阀 夹紧尺寸 |
China National Standards RT |
English PDF |
| GB/T 39827.2-2021 |
Plastics -- Post-consumer poly(ethylene terephthalate)(PET) bottle recyclates -- PaRT 2: Preparation of test specimens and determination properties 塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第2部分：试样制备和性能测定 |
China National Standards RT |
English PDF |
| GB/T 39827.1-2021 |
Plastics -- Post-consumer poly(ethylene terephthalate) (PET) bottle recyclates -- PaRT 1: Designation system and basis for specifications 塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第1部分：命名系统和分类基础 |
China National Standards RT |
English PDF |
| GB/T 39811-2021 |
Equipment nomenclature and soRTed and numbering for stone industry 石材工业用设备术语和分类及型号编制方法 |
China National Standards RT |
English PDF |
| GB/T 39798-2021 |
Test methods for optical propeRTies of glass used on multiple units 动车组玻璃光学性能试验方法 |
China National Standards RT |
English PDF |
| GB/T 39796-2021 |
Test method for airbone sound insulating propeRTies of glass used on multipe units 动车组玻璃隔声性能试验方法 |
China National Standards RT |
English PDF |
| GB/T 39794.1-2021 |
Test method for wind uplift resistance of metal roof -- PaRT 1: Static pressure method 金属屋面抗风掀性能检测方法 第1部分：静态压力法 |
China National Standards RT |
English PDF |
| GB/T 39772.2-2021 |
Technical specification for reference station construction and acceptance of BeiDou ground-based augmentation system—PaRT 2：Acceptance specification 北斗地基增强系统基准站建设和验收技术规范 第2部分：验收规范 |
China National Standards RT |
English PDF |
| GB/T 39772.1-2021 |
Technical specification for reference station construction and acceptance of BeiDou ground-based augmentation system—PaRT 1：Construction specification 北斗地基增强系统基准站建设和验收技术规范 第1部分：建设规范 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 39771.1-2021 |
Optical radiation safety of LEDs—PaRT 1: Safety requirements and classification 半导体发光二极管光辐射安全 第1部分：要求与等级分类方法 |
China National Standards RT |
English PDF |
| GB/T 39761.1-2021 |
Green product assessment—Household electric appliances—PaRT 1：Refrigerators, air-conditioners and washing machines 绿色产品评价 家用电器 第1部分：电冰箱、空调器和洗衣机 |
China National Standards RT |
English PDF |
| GB/T 39755.1-2021 |
Electronic records management capability system—PaRT 1:General requirements 电子文件管理能力体系 第1部分：通用要求 |
China National Standards RT |
English PDF |
| GB/T 39747-2021 |
Code of practice for the safe use of suppoRTed elevating work platform 举升式升降工作平台安全使用规程 |
China National Standards RT |
English PDF |
| GB/T 39741.2-2021 |
Plain bearings—Tolerances—PaRT 2：Tolerances on geometrical characteristics and surface roughness for shafts and thrust collars 滑动轴承 公差 第2部分：轴和止推轴肩的几何公差及表面粗糙度 |
China National Standards RT |
English PDF |
| GB/T 39693.3-2021 |
Rubber, vulcanized or thermoplastic—Determination of hardness—PaRT 3:Dead-load hardness using the very low rubber hardness (VLRH) scale 硫化橡胶或热塑性橡胶 硬度的测定 第3部分：用超低橡胶硬度（VLRH）标尺 测定定试验力硬度 |
China National Standards RT |
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 RT |
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 RT |
English PDF |
| GB/T 34080.3-2021 |
Security specification of electronic government common platform based on cloud computing -- PaRT 3: Service security 基于云计算的电子政务公共平台安全规范 第3部分：服务安全 |
China National Standards RT |
English PDF |
| GB/T 34079.5-2021 |
Service specification of electronic government common platform based on cloud computing -- PaRT 5: Mobility service 基于云计算的电子政务公共平台服务规范 第5部分：移动服务 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 34079.2-2021 |
Service specification of electronic government common platform based on cloud computing -- PaRT 2: Application deployment and data migration 基于云计算的电子政务公共平台服务规范 第2部分：应用部署和数据迁移 |
China National Standards RT |
English PDF |
| GB/T 34079.1-2021 |
Service specification of electronic government common platform based on cloud computing -- PaRT 1: Service catalog and coding 基于云计算的电子政务公共平台服务规范 第1部分：服务分类与编码 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 34078.3-2021 |
General specification of electronic government common platform based on cloud computing -- PaRT 3: Service management 基于云计算的电子政务公共平台总体规范 第3部分：服务管理 |
China National Standards RT |
English PDF |
| GB/T 34078.2-2021 |
General specification of electronic government common platform based on cloud computing -- PaRT 2: Top-level design guideline 基于云计算的电子政务公共平台总体规范 第2部分：顶层设计导则 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 34077.3-2021 |
Management specification of electronic government common platformbased on cloud computing -- PaRT 3: Operation guarantee management 基于云计算的电子政务公共平台管理规范 第3部分：运行保障管理 |
China National Standards RT |
English PDF |
| GB/T 34077.2-2021 |
Management specification of electronic government common platform based on cloud computing -- PaRT 2: Services metrics and valuation 基于云计算的电子政务公共平台管理规范 第2部分：服务度量计价 |
China National Standards RT |
English PDF |
| GB/T 33780.5-2021 |
Technical specification of electronic government common platform based on cloud computing -- PaRT 5: The architecture for information resource opening and sharing 基于云计算的电子政务公共平台技术规范 第5部分：信息资源开放共享系统架构 |
China National Standards RT |
English PDF |
| GB/T 33770.6-2021 |
Information technology service—Outsourcing—PaRT 6:General requirements for service acquirer 信息技术服务 外包 第6部分：服务需求方通用要求 |
China National Standards RT |
English PDF |
| GB/T 30027-2021 |
Round steel shoRT link chains for lifting purposes—Fine tolerance hoist chains for hand operated chain hoists—Grade VH 起重用钢制短环链 手动链式葫芦用高精度链 VH级 |
China National Standards RT |
English PDF |
| GB/T 30026-2021 |
Round steel shoRT link chains for lifting purposes—Fine tolerance hoist chains for hand operated chain hoists—Grade TH 起重用钢制短环链 手动链式葫芦用高精度链 TH级 |
China National Standards RT |
English PDF |
| GB/T 28847.5-2021 |
Building automation and control systems—PaRT 5: Data communication protocol 建筑自动化和控制系统 第5部分：数据通信协议 |
China National Standards RT |
English PDF |
| GB/T 28267.1-2021 |
Steel cord conveyor belts—PaRT 1:Design,dimensions and mechanical requirements for conveyor belts for general use 钢丝绳芯输送带 第1部分：普通用途输送带的设计、尺寸和机械要求 |
China National Standards RT |
English PDF |
| GB/T 28170.2-2021 |
Information technology—Computer graphics and image processing—Extensible 3D(X3D)—PaRT 2: Scene access interface(SAI) 信息技术 计算机图形和图像处理 可扩展三维组件(X3D) 第2部分：场景访问接口(SAI) |
China National Standards RT |
English PDF |
| GB/T 25388.2-2021 |
Wind turbines generator system—Double-fed conveRTer—Part 2: Test method 风力发电机组 双馈式变流器 第2部分：试验方法 |
China National Standards RT |
English PDF |
| GB/T 25388.1-2021 |
Wind turbines generator system—Double-fed conveRTer—Part 1: Technical condition 风力发电机组 双馈式变流器 第1部分：技术条件 |
China National Standards RT |
English PDF |
| GB/T 25387.2-2021 |
Wind turbines generator system—Full-power conveRTer—Part 2:Test method 风力发电机组 全功率变流器 第2部分：试验方法 |
China National Standards RT |
English PDF |
| GB/T 25387.1-2021 |
Wind turbines—Control system—PaRT 2：Test method 风力发电机组 全功率变流器 第1部分：技术条件 |
China National Standards RT |
English PDF |
| GB/T 25386.2-2021 |
Wind turbines—Control system—PaRT 2：Test method 风力发电机组 控制系统 第2部分：试验方法 |
China National Standards RT |
English PDF |
| GB/T 25386.1-2021 |
Wind turbines—Control system—PaRT 1：Technical condition 风力发电机组 控制系统 第1部分：技术条件 |
China National Standards RT |
English PDF |
| GB/T 25068.5-2021 |
Information technology—Security techniques—Network security—PaRT 5: Securing communications across networks using virtual private networks 信息技术 安全技术 网络安全 第5部分：使用虚拟专用网的跨网通信安全保护 |
China National Standards RT |
English PDF |
| GB/T 21715.5-2021 |
Health informatics—Patient healthcard data—PaRT 5: Identification data 健康信息学 患者健康卡数据 第5部分：标识数据 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 20833.1-2021 |
Rotating electrical machines—The winding insulation—PaRT 1:Off-line partial discharge measurements 旋转电机 绕组绝缘 第1部分：离线局部放电测量 |
China National Standards RT |
English PDF |
| GB/T 20385.1-2021 |
Textiles—Determination of organotin compounds—PaRT 1：Derivatisation method using GC-MS 纺织品 有机锡化合物的测定 第1部分：衍生化气相色谱-质谱法 |
China National Standards RT |
English PDF |
| GB/T 19934.1-2021 |
Hydraulic fluid power—Fatigue pressure testing of metal pressure-containing envelopes—PaRT 1: Test method 液压传动 金属承压壳体的疲劳压力试验 第1部分：试验方法 |
China National Standards RT |
English PDF |
| GB/T 18802.32-2021 |
Low-voltage surge protective devices—PaRT 32: Surge protective devices connected to photovoltaic installations—Selection and application principles 低压电涌保护器 第32部分：用于光伏系统的电涌保护器 选择和使用导则 |
China National Standards RT |
English PDF |
| GB/T 18802.31-2021 |
Low-voltage surge protective devices -- PaRT 31: Surge protective devices connected to photovoltaic installations -- Requirements and test methods 低压电涌保护器 第31部分：用于光伏系统的电涌保护器 性能要求和试验方法 |
China National Standards RT |
English PDF |
| GB/T 18400.10-2021 |
Test conditions for machining centres—PaRT 10：Evaluation of thermal distortions 加工中心检验条件 第10部分：热变形的评定 |
China National Standards RT |
English PDF |
| GB/T 18386.1-2021 |
Test methods for energy consumption and range of electric vehicles—PaRT 1: Light-duty vehicles 电动汽车能量消耗量和续驶里程试验方法 第1部分：轻型汽车 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 18329.3-2021 |
Plain bearings—Metallic multilayer plain bearings—PaRT 3: Non-destructive penetrant testing 滑动轴承 多层金属滑动轴承 第3部分：无损渗透检验 |
China National Standards RT |
English PDF |
| GB/T 17901.3-2021 |
Information technology—Security techniques—Key management—PaRT 3: Mechanisms using asymmetric techniques 信息技术 安全技术 密钥管理 第3部分：采用非对称技术的机制 |
China National Standards RT |
English PDF |
| GB/T 17421.10-2021 |
Test code for machine tools -- PaRT 10: Determination of the measuring performance of probing systems of numerically controlled machine tools 机床检验通则 第10部分：数控机床探测系统测量性能的测定 |
China National Standards RT |
English PDF |
| GB/T 17215.221-2021 |
Electricity metering equipment(a. c. ) -- General requirements, tests and test conditions -- PaRT 21: Tariff and load control equipment 电测量设备（交流） 通用要求、试验和试验条件 第21部分：费率和负荷控制设备 |
China National Standards RT |
English PDF |
| GB/T 15566.20-2021 |
Public information guidance systems -- Setting principles and requirements -- PaRT 20: Urban area 公共信息导向系统 设置原则与要求 第20部分：城市区域 |
China National Standards RT |
English PDF |
| GB/T 14352.22-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- PaRT 22：Determination of antimony content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法 第22部分：锑量的测定 氢化物发生-原子荧光光谱法 |
China National Standards RT |
English PDF |
| GB/T 14352.21-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- PaRT 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法 第21部分：砷量的测定 氢化物发生-原子荧光光谱法 |
China National Standards RT |
English PDF |
| GB/T 14352.20-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- PaRT 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法 第20部分：铌、钽、锆、铪及15个稀土元素量的测定 电感耦合等离子体质谱法 |
China National Standards RT |
English PDF |
| GB/T 14352.19-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- PaRT 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content -- Inductive-coupled plasma atomic emission spe 钨矿石、钼矿石化学分析方法 第19部分：铋、镉、钴、铜、铁、锂、镍、磷、铅、锶、钒和锌量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards RT |
English PDF |
| GB/T 13174-2021 |
Determination of detergency and cycle of washing propeRTy for laundry detergents 衣料用洗涤剂去污力及循环洗涤性能的测定 |
China National Standards RT |
English PDF |
| GB/T 12668.902-2021 |
Adjustable speed electrical power drive systems—PaRT 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters 调速电气传动系统 第9-2部分：电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 电气传动系统和电机起动器的能效指标 |
China National Standards RT |
English PDF |
| GB/T 12668.901-2021 |
Adjustable speed electrical power drive systems—PaRT 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—General requirements for setting energy efficiency standards for power driven equipment using the 调速电气传动系统 第9-1部分：电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 采用扩展产品法（EPA）和半解析模型（SAM）制定电气传动设备能效标准的一般要求 |
China National Standards RT |
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 RT |
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 RT |
English PDF |
| GB/T 11313.35-2021 |
Radio-frequency connectors—PaRT 35: Sectional specification for 2.92 series R.F connectors 射频连接器 第35部分: 2.92系列射频连接器分规范 |
China National Standards RT |
English PDF |
| GB/T 10001.9-2021 |
Public information graphical symbols—PaRT 9: Symbols for accessible facilities 公共信息图形符号 第9部分：无障碍设施符号 |
China National Standards RT |
English PDF |
| GB/T 10001.7-2021 |
Public information graphical symbols—PaRT 7: Symbols for office and teaching 公共信息图形符号 第7部分：办公教学符号 |
China National Standards RT |
English PDF |
| GB/T 10001.6-2021 |
Public information graphical symbols—PaRT 6: Symbols for medical treatment and health care 公共信息图形符号 第6部分：医疗保健符号 |
China National Standards RT |
English PDF |
| GB/T 10001.5-2021 |
Public information graphical symbols—PaRT 5: Symbols for shopping 公共信息图形符号 第5部分：购物符号 |
China National Standards RT |
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 RT |
English PDF |
| GB/T 10001.3-2021 |
Public information graphical symbols—PaRT 3：Symbols for passenger and cargo transport 公共信息图形符号 第3部分：客运货运符号 |
China National Standards RT |
English PDF |
| GB/T 10001.2-2021 |
Public information graphical symbols—PaRT 2: Symbols for tourism and entertainment 公共信息图形符号 第2部分：旅游休闲符号 |
China National Standards RT |
English PDF |
| GB/T 7308.3-2021 |
Plain bearings—Thin-walled half bearings with or without flange—PaRT 3: Measurement of peripheral length 滑动轴承 有法兰或无法兰薄壁轴瓦 第3部分:周长测量 |
China National Standards RT |
English PDF |
| GB/T 7308.2-2021 |
Plain bearings—Thin-walled half bearings with or without flange—PaRT 2:Measurement of wall thickness and flange thickness 滑动轴承 有法兰或无法兰薄壁轴瓦 第2部分:轴瓦壁厚和法兰厚度测量 |
China National Standards RT |
English PDF |
| GB/T 7308.1-2021 |
Plain bearings—Thin-walled half bearings with or without flange—PaRT 1：Tolerances, design features and methods of test 滑动轴承 有法兰或无法兰薄壁轴瓦 第1部分:公差、结构要素和检验方法 |
China National Standards RT |
English PDF |
| GB/T 5095.2507-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—PaRT 25-7: Test 25g: Impedance, reflection coefficient, and voltage standing wave ratio (VSWR) 电子设备用机电元件 基本试验规程及测量方法 第25-7部分：试验25g：阻抗、反射系数和电压驻波比（VSWR） |
China National Standards RT |
English PDF |
| GB/T 5095.2505-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—PaRT 25-5：Test 25e: Return loss 电子设备用机电元件 基本试验规程及测量方法 第25-5部分：试验25e：回波损耗 |
China National Standards RT |
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 RT |
English PDF |
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