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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
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 Part |
English PDF |
GB/T 5095.2503-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-3: Test 25c: Rise time degradation 电子设备用机电元件 基本试验规程及测量方法 第25-3部分:试验25c:上升时间衰减 |
China National Standards Part |
English PDF |
GB/T 5095.2502-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-2: Test 25b: Attenuation (insertion loss) 电子设备用机电元件 基本试验规程及测量方法 第25-2部分:试验25b:衰减(插入损耗) |
China National Standards Part |
English PDF |
GB/T 5095.2501-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-1: Test 25a: Crosstalk ratio 电子设备用机电元件 基本试验规程及测量方法 第25-1部分:试验25a:串扰比 |
China National Standards Part |
English PDF |
GB/T 5095.2307-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-7: Screening and filtering tests—Test 23g: Effective transfer impedance of connectors 电子设备用机电元件 基本试验规程及测量方法 第23-7部分:屏蔽和滤波试验 试验23g:连接器的有效转移阻抗 |
China National Standards Part |
English PDF |
GB/T 5095.2304-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件 基本试验规程及测量方法 第23-4部分:屏蔽和滤波试验 试验23d:时域内传输线的反射 |
China National Standards Part |
English PDF |
GB/T 5095.2303-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-3:Screening and filtering tests—Test 23c:Shielding effectiveness of connectors and accessories—Line injection method 电子设备用机电元件 基本试验规程及测量方法 第23-3部分:屏蔽和滤波试验 试验23c:连接器和附件的屏蔽效果 线注入法 |
China National Standards Part |
English PDF |
GB/T 4022.1-2021 |
Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1:Machines with table surface length of up to 1600 mm 卧轴矩台平面磨床 精度检验 第1部分:工作台面长度至1600mm的机床 |
China National Standards Part |
English PDF |
GB/T 3480.2-2021 |
Calculation of load capacity of spur and helical gears—Part 2: Calculation of surface durability (pitting) 直齿轮和斜齿轮承载能力计算 第2部分:齿面接触强度(点蚀)计算 |
China National Standards Part |
English PDF |
GB/T 2889.5-2021 |
Plain bearings—Terms, definitions, classification and symbols—Part 5:Application of symbols 滑动轴承 术语、定义、分类和符号 第5部分:符号的应用 |
China National Standards Part |
English PDF |
GB/T 1406.3-2021 |
Types and dimensions of lamp caps—Part 3:Prefocus caps 灯头的型式和尺寸 第3部分:预聚焦式灯头 |
China National Standards Part |
English PDF |
GB/T 1149.6-2021 |
Internal combustion engines—Piston rings—Part 6: Scraper rings made of cast iron 内燃机 活塞环 第6部分:铸铁刮环 |
China National Standards Part |
English PDF |
GB/T 1149.4-2021 |
Internal combustion engines—Piston rings—Part 4:Quality requirements 内燃机 活塞环 第4部分:质量要求 |
China National Standards Part |
English PDF |
GB/T 14914.6-2021 |
The specification for marine observation—Part 6:Data processing and quality control of marine observational data 海洋观测规范 第6部分:数据处理与质量控制 |
China National Standards Part |
English PDF |
GB/T 14914.3-2021 |
The specification for marine observation -- Part 3: Surface and subsurface buoy-based observation 海洋观测规范 第 3 部分:浮标潜标观测 |
China National Standards Part |
English PDF |
GB/T 14914.4-2021 |
The specification for marine observation—Part 4:Shore based radar observation 海洋观测规范 第4部分:岸基雷达观测 |
China National Standards Part |
English PDF |
GB/T 9254.1-2021 |
Information technology equipment, multimedia equipment and receivers -- Electromagnetic compatibility -- Part 1: Emission requirements 信息技术设备、多媒体设备和接收机 电磁兼容 第1部分:发射要求 |
China National Standards Part |
English PDF |
GB/T 8563.3-2021 |
Classification and codes for information of reward and disciplinary action -- Part 3: Codes of disciplinary action and organizational punishment 奖励、纪律处分信息分类与代码? 第3部分:纪律处分和组织处理代码 |
China National Standards Part |
English PDF |
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