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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 40742.2-2021 |
Geometrical product specifications (GPS)—Geometrical precision verification—Part 2：Verification of form characteristics, orientation characteristics, position characteristics, run-out characteristics and profile characteristics 产品几何技术规范（GPS） 几何精度的检测与验证 第2部分：形状、方向、位置、跳动和轮廓度特征的检测与验证 |
China National Standards Part |
 English PDF |
| GB/T 40742.1-2021 |
Geometrical product specifications (GPS)—Geometrical precision verification—Part 1:Basic concept and measurement—Symbol,terminology,measuring conditions and procedures 产品几何技术规范（GPS） 几何精度的检测与验证 第1部分：基本概念和测量基础 符号、术语、测量条件和程序 |
China National Standards Part |
English PDF |
| GB/T 33598.3-2021 |
Recovery of traction battery used in electric vehicle—Recycling—Part 3:Specification for discharging 车用动力电池回收利用 再生利用 第3部分：放电规范 |
China National Standards Part |
English PDF |
| GB/T 40783.1-2021 |
Information technology—Telecommunications and information exchange between systems—Magnetic field area network(MFAN)—Part1:Air interface 信息技术 系统间远程通信和信息交换 磁域网 第1部分：空中接口 |
China National Standards Part |
English PDF |
| GB/T 40816.11-2021 |
Industrial furnaces and associated processing equipment—Method of measuring energy balance and calculating energy efficiency—Part 11: Evaluation of various kinds of efficiency 工业炉及相关工艺设备 能量平衡测试及能效计算方法 第11部分：各种效率评估 |
China National Standards Part |
English PDF |
| GB/T 17215.231-2021 |
Electricity metering equipment(AC)—General requirements, tests and test conditions—Part 31:Product safety requirements and tests 电测量设备（交流） 通用要求、试验和试验条件 第31部分：产品安全要求和试验 |
China National Standards Part |
English PDF |
| GB/T 38775.6-2021 |
Electric vehicle wireless power transfer—Part 6:Interoperability requirements and testing—Ground side 电动汽车无线充电系统 第6部分：互操作性要求及测试 地面端 |
China National Standards Part |
English PDF |
| GB/T 12668.7302-2021 |
Adjustable speed electrical power drive systems—Part 7-302:Generic interface and use of profiles for power drive systems—Mapping of profile type 2 to network technologies 调速电气传动系统 第7-302部分：电气传动系统的通用接口和使用规范 2型规范对应至网络技术 |
China National Standards Part |
English PDF |
| GB/T 3836.9-2021 |
Explosive atmospheres—Part 9：Equipment protection by encapsulation “m” 爆炸性环境 第9部分：由浇封型“m”保护的设备 |
China National Standards Part |
English PDF |
| GB/T 18898.1-2021 |
Erbium doped fiber amplifier -- Part 1: C band erbium doped fiber amplifier 掺铒光纤放大器?? 第1部分：C波段掺铒光纤放大器 |
China National Standards Part |
English PDF |
| GB/T 3836.4-2021 |
Explosive atmospheres—Part 4：Equipment protection by intrinsic safety“i” 爆炸性环境 第4部分：由本质安全型“i”保护的设备 |
China National Standards Part |
English PDF |
| GB/T 3836.3-2021 |
Explosive atmospheres—Part 3：Equipment protection by increased safety“e” 爆炸性环境 第3部分：由增安型“e”保护的设备 |
China National Standards Part |
English PDF |
| GB/T 3836.2-2021 |
Explosive atmospheres—Part 2：Equipment protection by flameproof enclosures “d” 爆炸性环境 第2部分：由隔爆外壳“d”保护的设备 |
China National Standards Part |
English PDF |
| GB/T 3836.1-2021 |
Explosive atmospheres—Part 1：Equipment—General requirements 爆炸性环境 第1部分：设备 通用要求 |
China National Standards Part |
English PDF |
| GB/T 26548.11-2021 |
Hand-held portable power tools—Test methods for evaluation of vibration emission—Part 11:Stone hammers 手持便携式动力工具 振动试验方法 第11部分：石锤 |
China National Standards Part |
English PDF |
| GB/T 26548.10-2021 |
Hand-held portable power tools -- Test methods for evaluation of vibration emission -- Part 10: Percussive drills, hammers and breakers 手持便携式动力工具? 振动试验方法? 第10部分：冲击式凿岩机、锤和破碎器 |
China National Standards Part |
English PDF |
| GB/T 3836.33-2021 |
Explosive atmospheres—Part 33：Equipment in adverse service conditions 爆炸性环境 第33部分：严酷工作条件用设备 |
China National Standards Part |
English PDF |
| GB/T 3836.34-2021 |
Explosive atmospheres—Part 34：Equipment assemblies 爆炸性环境 第34部分：成套设备 |
China National Standards Part |
English PDF |
| GB/T 33133.3-2021 |
Information security technology—ZUC stream cipher algorithm—Part 3:Integrity algorithm 信息安全技术 祖冲之序列密码算法 第3部分：完整性算法 |
China National Standards Part |
English PDF |
| GB/T 33133.2-2021 |
Information security technology—ZUC stream cipher algorithm—Part 2:Confidentiality algorithm 信息安全技术 祖冲之序列密码算法 第2部分：保密性算法 |
China National Standards Part |
English PDF |
| GB/T 10395.20-2021 |
Agricultural and forestry machinery—Safety—Part 20:Pick-up balers 农林机械 安全 第20部分：捡拾打捆机 |
China National Standards Part |
English PDF |
| GB/T 10395.21-2021 |
Agricultural and forestry machinery—Safety—Part 21:Rotary tedders and rakes 农林机械 安全 第21部分：旋转式摊晒机和搂草机 |
China National Standards Part |
English PDF |
| GB/T 3836.30-2021 |
Explosive atmospheres—Part 30: Equipment and components in explosive atmospheres in underground mines 爆炸性环境 第30部分：地下矿井爆炸性环境用设备和元件 |
China National Standards Part |
English PDF |
| GB/T 3836.32-2021 |
Explosive atmospheres—Part 32:Intrinsically safe systems with electronically controlled spark duration limitation 爆炸性环境 第32部分：电子控制火花时限本质安全系统 |
China National Standards Part |
English PDF |
| GB/T 39851.3-2021 |
Road vehicles—Diagnostic communication over Controller Area Network (DoCAN)—Part 3:Requirements for emissions-related systems 道路车辆 基于控制器局域网的诊断通信 第3部分：排放相关系统的需求 |
China National Standards Part |
English PDF |
| GB/T 38775.7-2021 |
Electric vehicle wireless power transfer—Part 7:Interoperability requirements and testing—Vehicle side 电动汽车无线充电系统 第7部分：互操作性要求及测试 车辆端 |
China National Standards Part |
English PDF |
| GB/T 38775.5-2021 |
Electric vehicle wireless power transfer—Part 5:Electromagnetic compatibility requirements and test methods 电动汽车无线充电系统 第5部分：电磁兼容性要求和试验方法 |
China National Standards Part |
English PDF |
| GB/T 12274.4-2021 |
Quartz crystal controlled oscillators of assessed quality—Part 4: Sectional specification—Capability approval 有质量评定的石英晶体振荡器 第4部分:分规范 能力批准 |
China National Standards Part |
English PDF |
| GB/T 18910.202-2021 |
Liquid crystal display devices—Part 20-2:Visual inspection—Monochrome matrix liquid crystal display modules 液晶显示器件 第20-2部分：目检 单色矩阵液晶显示模块 |
China National Standards Part |
English PDF |
| GB/T 18910.201-2021 |
Liquid crystal display devices—Part 20-1:Visual inspection—Monochrome liquid crystal display cells 液晶显示器件 第20-1部分：目检 单色液晶显示屏 |
China National Standards Part |
English PDF |
| GB/T 18910.102-2021 |
Liquid crystal display devices—Part 10-2:Environmental, endurance and mechanical test methods—Environmental and endurance 液晶显示器件 第10-2部分：环境、耐久性和机械试验方法 环境和耐久性 |
China National Standards Part |
English PDF |
| GB/T 18910.101-2021 |
Liquid crystal display devices—Part 10-1:Environmental,endurance and mechanical test methods—Mechanical 液晶显示器件 第10-1部分：环境、耐久性和机械试验方法 机械 |
China National Standards Part |
English PDF |
| GB/T 40711.4-2021 |
Off-cycle technology/device energy saving effects evaluation methods for passenger cars—Part 4:Regenerative braking system 乘用车循环外技术/装置节能效果评价方法 第4部分：制动能量回收系统 |
China National Standards Part |
English PDF |
| GB/T 40711.3-2021 |
Off-cycle technology/device energy saving effects evaluation methods for passenger cars—Part 3:Automotive air conditioner 乘用车循环外技术/装置节能效果评价方法 第3部分：汽车空调 |
China National Standards Part |
English PDF |
| GB/T 40711.2-2021 |
Off-cycle technology/device energy saving effects evaluation methods for passenger cars—Part 2:Idle start-stop system 乘用车循环外技术/装置节能效果评价方法 第2部分：怠速起停系统 |
China National Standards Part |
English PDF |
| GB/T 40784.1-2021 |
Information technology. Biometric profiles for interoperability and data interchange -- Part 1: Overview of biometric systems and biometric profiles 信息技术 用于互操作和数据交换的生物特征识别轮廓 第1部分：生物特征识别系统概述和生物特征识别轮廓 |
China National Standards Part |
English PDF |
| GB/T 38624.2-2021 |
Internet of things—Gateway—Part 2: Technical requirements of gateway accessing the public telecommunication network 物联网 网关 第2部分：面向公用电信网接入的网关技术要求 |
China National Standards Part |
English PDF |
| GB/T 40420.8-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 8: Interface requirements 基于公用电信网的宽带客户网关虚拟化 第8部分：接口要求 |
China National Standards Part |
English PDF |
| GB/T 40420.4-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 4:Technical requirements for physical business gateway 基于公用电信网的宽带客户网关虚拟化 第4部分：实体企业网关技术要求 |
China National Standards Part |
English PDF |
| GB/T 40420.3-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 3 ：Technical requirements for physical residential gateway 基于公用电信网的宽带客户网关虚拟化 第3部分：实体家庭网关技术要求 |
China National Standards Part |
English PDF |
| GB/T 40420.2-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 2 ：Technology requirements of voice virtualization 基于公用电信网的宽带客户网关虚拟化 第2部分：语音虚拟化技术要求 |
China National Standards Part |
English PDF |
| GB/T 22431-2021 |
Container transportation electronic data interchange -- Vessel deParture message 集装箱运输电子数据交换 船舶离港报文 |
China National Standards Part |
English PDF |
| GB/T 28504.3-2021 |
Rare earth doped optical fibre—Part 3:Characteristics of double-cladding erbium-ytterbium co-doped optical fibre 掺稀土光纤 第3部分：双包层铒镱共掺光纤特性 |
China National Standards Part |
English PDF |
| GB/T 28504.2-2021 |
Rare earth doped optical fibre—Part 2:Characteristics of double-cladding thulium-doped optical fibre 掺稀土光纤 第2部分：双包层掺铥光纤特性 |
China National Standards Part |
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 Part |
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 Part |
English PDF |
| GB/T 40778.2-2021 |
Internet of things—Web-oriented open service system implementation—Part 2:Thing description method 物联网 面向Web开放服务的系统实现 第2部分：物体描述方法 |
China National Standards Part |
English PDF |
| GB/T 40778.1-2021 |
Internet of things—Web-oriented open service system implementation—Part 1:Reference architecture 物联网 面向Web开放服务的系统实现 第1部分：参考架构 |
China National Standards Part |
English PDF |
| GB/T 40656.1-2021 |
Smart city—Urban operation center—Part 1: General requirements 智慧城市 运营中心 第1部分：总体要求 |
China National Standards Part |
English PDF |
| GB/T 40697-2021 |
Specification for management of the third-Party coal testing 第三方煤炭检测管理规范 |
China National Standards Part |
English PDF |
| GB/T 29618.5120-2021 |
Field device tool (FDT) interface specification—Part 5120:Communication implementation for common object model—IEC 61784 CPF 2 现场设备工具（FDT）接口规范 第5120部分:通用对象模型的通信实现 IEC 61784 CPF 2 |
China National Standards Part |
English PDF |
| GB/T 29618.5110-2021 |
Field device tool (FDT) interface specification—Part 5110: Communication implementation for common object model—IEC 61784 CPF 1 现场设备工具(FDT)接口规范 第5110部分:通用对象模型的通信实现 IEC 61784 CPF 1 |
China National Standards Part |
English PDF |
| GB/T 15628.1-2021 |
Classification codes of China fauna—Part 1: Vertebrates 中国动物分类代码 第1部分：脊椎动物 |
China National Standards Part |
English PDF |
| GB/T 18910.61-2021 |
Liquid crystal display devices—Part 6-1:Measuring methods for liquid crystal display devices—Photoelectric parameter 液晶显示器件 第6-1部分：液晶显示器件测试方法 光电参数 |
China National Standards Part |
English PDF |
| GB/T 18910.203-2021 |
Liquid crystal display devices—Part 20-3:Visual inspection—Active matrix colour liquid crystal display modules 液晶显示器件 第20-3部分：目检 有源矩阵彩色液晶显示模块 |
China National Standards Part |
English PDF |
| GB/T 25915.12-2021 |
Cleanrooms and associated controlled environments—Part 12: Specifications for monitoring of air cleanliness by nanoscale particle concentration 洁净室及相关受控环境 第12部分：监测空气中纳米粒子浓度的技术要求 |
China National Standards Part |
English PDF |
| GB/T 40786.2-2021 |
Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 2: Data link layer specification 信息技术 系统间远程通信和信息交换 低压电力线通信 第2部分:数据链路层规范 |
China National Standards Part |
English PDF |
| GB/T 40786.1-2021 |
Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 1: Physical layer specification 信息技术 系统间远程通信和信息交换 低压电力线通信 第1部分：物理层规范 |
China National Standards Part |
English PDF |
| GB/T 6346.24-2021 |
Fixed capacitors for use in electronic equipment—Part 24: Sectional specification—Fixed tantalum electrolytic surface mount capacitors with conductive polymer solid electrolyte 电子设备用固定电容器 第24部分：分规范 表面安装导电聚合物固体电解质钽固定电容器 |
China National Standards Part |
English PDF |
| GB/T 40562-2021 |
Potentiometers for use in electronic equipment—Part 6:Sectional specification—Surface mount preset potentiometers 电子设备用电位器 第6部分：分规范 表面安装预调电位器 |
China National Standards Part |
English PDF |
| GB/T 40640.5-2021 |
Informationalized management of chemicals—Part 5: Chemicals data center 化学品管理信息化 第5部分：化学品数据中心 |
China National Standards Part |
English PDF |
| GB/T 40640.4-2021 |
Informationalized management of chemicals—Part 4:General specification for chemicals positioning system 化学品管理信息化 第4部分：化学品定位系统通用规范 |
China National Standards Part |
English PDF |
| GB/T 40640.2-2021 |
Informationalized management of chemicals—Part 2:Information security 化学品管理信息化 第2部分：信息安全 |
China National Standards Part |
English PDF |
| GB/T 40640.1-2021 |
Informationalized management of chemicals—Part 1: Data exchange 化学品管理信息化 第1部分：数据交换 |
China National Standards Part |
English PDF |
| GB/T 20115.1-2021 |
Basic specifications for industrial fuel fired installations—Part 1：General 工业燃料加热装置基本技术条件 第1部分：通用部分 |
China National Standards Part |
English PDF |
| GB/T 5169.9-2021 |
Fire hazard testing for electric and electronic products—Part 9:Guidance for assessing the fire hazard—Preselection testing procedures—General guidelines 电工电子产品着火危险试验 第9部分：着火危险评定导则 预选试验程序 总则 |
China National Standards Part |
English PDF |
| GB/T 5169.2-2021 |
Fire hazard testing for electric and electronic products—Part 2: Guidance for assessing the fire hazard—General guidelines 电工电子产品着火危险试验 第2部分：着火危险评定导则 总则 |
China National Standards Part |
English PDF |
| GB/T 25285.2-2021 |
Explosive atmospheres—Explosion prevention and protection—Part 2:Basic concepts and methodology for mining 爆炸性环境 爆炸预防和防护 第2部分：矿山爆炸预防和防护的基本原则和方法 |
China National Standards Part |
English PDF |
| GB/T 25285.1-2021 |
Explosive atmospheres—Explosion prevention and protection—Part 1： Basic concepts and methodology 爆炸性环境 爆炸预防和防护 第1部分：基本原则和方法 |
China National Standards Part |
English PDF |
| GB/T 3836.35-2021 |
Explosive atmospheres—Part 35：Classification of areas for explosive dust atmospheres 爆炸性环境 第35部分：爆炸性粉尘环境场所分类 |
China National Standards Part |
English PDF |
| GB/T 3836.29-2021 |
Explosive atmospheres—Part 29:Non-electrical equipment for explosive atmospheres—Constructional safety “c”,control of ignition source “b”, liquid immersion “k” 爆炸性环境 第29部分：爆炸性环境用非电气设备 结构安全型“c”、控制点燃源型“b”、液浸型“k” |
China National Standards Part |
English PDF |
| GB/T 3836.28-2021 |
Explosive atmospheres—Part 28：Non-electrical equipment for explosive atmospheres—Basic method and requirements 爆炸性环境 第28部分：爆炸性环境用非电气设备 基本方法和要求 |
China National Standards Part |
English PDF |
| GB/T 3836.31-2021 |
Explosive atmospheres—Part 31:Equipment dust ignition protection by enclosure “t” 爆炸性环境 第31部分: 由防粉尘点燃外壳“t”保护的设备 |
China National Standards Part |
English PDF |
| GB/T 3836.13-2021 |
Explosive atmospheres—Part 13: Equipment repair, overhaul, reclamation and modification 爆炸性环境 第13部分：设备的修理、检修、修复和改造 |
China National Standards Part |
English PDF |
| GB/T 3836.8-2021 |
Explosive atmospheres—Part 8: Equipment protection by type of protection “n” 爆炸性环境 第8部分：由“n”型保护的设备 |
China National Standards Part |
English PDF |
| GB/T 3836.5-2021 |
Explosive atmospheres—Part 5:Equipment protection by pressurized enclosure p 爆炸性环境 第5部分：由正压外壳“p”保护的设备 |
China National Standards Part |
English PDF |
| GB/T 9766.6-2021 |
Test method for tyre valve - Part 6: Test method for core 轮胎气门嘴试验方法 第6部分: 气门芯试验方法 |
China National Standards Part |
English PDF |
| GB/T 12690.4-2021 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method 稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分：氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法 |
China National Standards Part |
English PDF |
| GB/T 40795.2-2021 |
Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2:Determination of rare earth content 镧铈金属及其化合物化学分析方法 第2部分：稀土量的测定 |
China National Standards Part |
English PDF |
| GB/T 40795.1-2021 |
Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method 镧铈金属及其化合物化学分析方法 第1部分：铈量的测定 硫酸亚铁铵滴定法 |
China National Standards Part |
English PDF |
| GB/T 22271.2-2021 |
Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties 塑料 聚甲醛（POM）模塑和挤出材料 第2部分：试样制备和性能测定 |
China National Standards Part |
English PDF |
| GB/T 13542.2-2021 |
Plastic films for electrical purposes—Part 2:Methods of test 电气绝缘用薄膜 第2部分：试验方法 |
China National Standards Part |
English PDF |
| GB/T 22271.1-2021 |
Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 1: Designation system and basis for specification 塑料 聚甲醛（POM）模塑和挤出材料 第1部分：命名系统和分类基础 |
China National Standards Part |
English PDF |
| GB/T 40817.2-2021 |
Specification for nuclear power reactor coolant pump motor—Part 2:Asynchronous motor for canned motor pump 核电主泵电机技术条件 第2部分：屏蔽泵异步电机 |
China National Standards Part |
English PDF |
| GB/T 40817.1-2021 |
Specification for nuclear power reactor coolant pump motor—Part 1:Asynchronous motor for shaft sealing pump 核电主泵电机技术条件 第1部分：轴封泵异步电机 |
China National Standards Part |
English PDF |
| GB/T 9089.1-2021 |
Electrical installations for outdoor sites under heavy conditions—Part 1: Vocabulary 户外严酷条件下的电气设施 第1部分：术语 |
China National Standards Part |
English PDF |
| GB/T 24621.1-2021 |
Application guide for electric safety of low-voltage switchgear and controlgear assemblies—Part 1: switchgear assemblies 低压成套开关设备和控制设备的电气安全应用指南 第1部分：成套开关设备 |
China National Standards Part |
English PDF |
| GB/T 18115.4-2021 |
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt 稀土金属及其氧化物中稀土杂质化学分析方法 第4部分：钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 |
China National Standards Part |
English PDF |
| GB/T 12690.7-2021 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content 稀土金属及其氧化物中非稀土杂质化学分析方法 第7部分：硅量的测定 |
China National Standards Part |
English PDF |
| GB/T 36450.2-2021 |
Information technology—Storage management—Part 2: Common architecture 信息技术 存储管理 第2部分：通用架构 |
China National Standards Part |
English PDF |
| GB/T 11060.10-2021 |
Natural gas—Determination of sulfur compounds—Part 10: Determination of sulfur compounds using gas chromatography method 天然气 含硫化合物的测定 第10部分：用气相色谱法测定硫化合物 |
China National Standards Part |
English PDF |
| GB/T 39037.1-2021 |
Lashing and securing arrangements on road vehicles for sea transportation on Ro/Ro ships—General requirements—Part 1：Commercial vehicles and combinations of vehicles，semi-trailers excluded 用于海上滚装船运输的道路车辆的系固点与系固设施布置 通用要求 第1部分：商用车和汽车列车（不包括半挂车） |
China National Standards Part |
English PDF |
| GB/T 16850.3-2021 |
Optical amplifiers test methods—Part 3:Noise figure parameters for single-channel amplifiers 光放大器试验方法 第3部分：单波道光放大器噪声参数 |
China National Standards Part |
English PDF |
| GB/T 7424.23-2021 |
Optical fibre cable generic specification—Part 23：Basic optical cable test procedures—Cable element test methods 光缆总规范 第23部分：光缆基本试验方法 光缆元构件试验方法 |
China National Standards Part |
English PDF |
| GB/T 7424.21-2021 |
Optical fibre cable generic specification—Part 21：Basic optical cable test procedures—Mechanical test methods 光缆总规范 第21部分：光缆基本试验方法 机械性能试验方法 |
China National Standards Part |
English PDF |
| GB/T 40420.7-2021 |
Broadband customer gateway virtualization based on public telecommunication network -- Part 7: Management requirements 基于公用电信网的宽带客户网关虚拟化 第7部分：管理要求 |
China National Standards Part |
English PDF |
| GB/T 40420.6-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 6: Technical requirements for virtualized business gateway 基于公用电信网的宽带客户网关虚拟化 第6部分：虚拟企业网关功能技术要求 |
China National Standards Part |
English PDF |
| GB/T 40420.5-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 5: Function and technology requirements for virtual residential gateway 基于公用电信网的宽带客户网关虚拟化 第5部分:虚拟家庭网关功能技术要求 |
China National Standards Part |
English PDF |
| GB/T 40420.1-2021 |
Broadband customer gateway virtualization based on public telecommunication network—Part 1 ：General requirements 基于公用电信网的宽带客户网关虚拟化 第1部分:总体要求 |
China National Standards Part |
English PDF |
| GB/T 20186.2-2021 |
Secondary coating materials used for optical fibre—Part 2: Modified propylene resin 光纤用二次被覆材料 第2部分：改性聚丙烯 |
China National Standards Part |
English PDF |
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