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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 20185-2006 |
Optical interface requirements for equipments and systems relating to the synchronous digital hierarchy 同步数字体系设备和系统的光接口技术要求 |
China National Standards systems |
 English PDF |
| GB/T 20183.3-2006 |
Equipment for crop protection - Spraying equipment - Part 3: Test methods for volume/hectare adjustment systems of agricultural hydraulic pressure sprayers 植物保护机械 喷雾设备 第3部分:农业液力喷雾机每公顷施液量调节系统试验方法 |
China National Standards systems |
English PDF |
| GB/T 20221-2006 |
Unplasticized poly(vinyl chloride)(PVC-U) pipes for non-pressure buried drainage and sewerage systems 无压埋地排污、排水用硬聚氯乙烯(PVC-U)管材 |
China National Standards systems |
English PDF |
| GB/T 20175-2006 |
Surface chemical analysis-Sputter depth profiling-Optimization using layered systems as reference materials 表面化学分析 溅射深度剖析 用层状膜系为参考物质的优化方法 |
China National Standards systems |
English PDF |
| GB/T 20164-2006 |
Prevention and control specifications for mail and mail handling systems in the area of when epidemics breakout 传染病暴发流行期间疫区邮件及处理系统预防控制规范 |
China National Standards systems |
English PDF |
| GB/T 17948.4-2006 |
Functional evaluation of insulation systems for rotating electrical machines - Test procedures for form-wound windings - Electrical evaluation of insulation sysyems used in machines up to and including 50MVA and 15kV 旋转电机绝缘结构功能性评定 成型绕组试验规程 50MVA、15kV及以下电机绝缘结构电评定 |
China National Standards systems |
English PDF |
| GB/T 12668.4-2006 |
Adjustable speed electrical power drive systems - part 4: General requirements - Rating specifications for a.c. power drive systems above 1000V a.c. and not exceeding 35kV 调速电气传动系统 第4部分:一般要求 交流电压1000V以上但不超过35kV的交流调速电气传动系统额定值的规定 |
China National Standards systems |
English PDF |
| GB/T 20261-2006 |
Information technology - systems security engineering - Capability maturity model 信息技术 系统安全工程 能力成熟度模型 |
China National Standards systems |
English PDF |
| GB/T 20135-2006 |
Intelligent transport systems Electronic toll collection System architecture 智能运输系统 电子收费 系统框架模型 |
China National Standards systems |
English PDF |
| GB/T 20207.2-2006 |
Acrylonitrile-butadiene-styrene (ABS) pressure piping systems-Part 2: fittings 丙烯腈-丁二烯-苯乙烯（ABS）压力管道系统 第2部分：管件 |
China National Standards systems |
English PDF |
| GB/T 20207.1-2006 |
Acrylonitrile-butadiene-styrene (ABS) pressure piping systems--Part 1: Pipes 丙烯腈-丁二烯-苯乙烯（ABS）压力管道系统 第1部分：管材 |
China National Standards systems |
English PDF |
| GB/T 20145-2006 |
Photobiological safety of lamps and lamp systems 灯和灯系统的光生物安全性 |
China National Standards systems |
English PDF |
| GB/T 20139-2006 |
Electrical insulation systems - Thermal evaluation of modifications to an established wire-wound EIS 电气绝缘结构-对已确定等级的散绕绕组绝缘结构进行组分调整的热评定方法 |
China National Standards systems |
English PDF |
| GB 50370-2005 |
Code for design of gas fire extinguishing systems 气体灭火系统设计规范 |
China National Standards systems |
English PDF |
| GB/T 22000-2006 |
Food safety management systems - Requirements for any organization in the food chain 食品安全管理体系 食品链中各类组织的要求 |
China National Standards systems |
English PDF |
| GB/T 20095-2006 |
Assessment code for performance of solar water heating systems 太阳热水系统性能评定规范 |
China National Standards systems |
English PDF |
| GB/T 20113-2006 |
Electrical insulation systems (EIS) - Thermal classification 电气绝缘结构（EIS） 热分级 |
China National Standards systems |
English PDF |
| GB/T 17948.3-2006 |
Functional evaluation of insulation systems for rotating electrical machines - Test procedures for form-wound windings - Thermal evaluation and classification of insulation sysyems used in machines up to and including 50MVA and 15kV 旋转电机绝缘结构功能性评定 成型绕组试验规程 50MVA、15kV及以下电机绝缘结构热评定和分级 |
China National Standards systems |
English PDF |
| GB/T 17948.2-2006 |
Functional evaluation of insulation systems for rotating electrical machines - Test procedures for wire-wound windings - Classification of changes and insulation component substitutions 旋转电机绝缘结构功能性评定 散绕绕组试验规程 变更和绝缘组分替代的分级 |
China National Standards systems |
English PDF |
| GB/T 15629.1103-2006 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Specification 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分：无线局域网媒体访问控制和物理层规范：附加管理域操作规范 |
China National Standards systems |
English PDF |
| GB 15629.1104-2006 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: Further Higher 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分：无线局域网媒体访问控制和物理层规范：2.4GHz频段更高数据速率扩展规范 |
China National Standards systems |
English PDF |
| GB 15629.1101-2006 |
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: High-Speed Phy 信息技术 系统间远程通信和信息交换 局域网和城域网 特定要求 第11部分：无线局域网媒体访问控制和物理层规范：5.8GHz频段高速物理层扩展规范 |
China National Standards systems |
English PDF |
| GB/T 17286.4-2006 |
Liquid hydrocarbons - Dynamic measurement - Proving systems for volumetric meters - Part 4: Guide for operators of pipe provers 液态烃动态测量 体积计量流量计检定系统 第4部分：体积管操作人员指南 |
China National Standards systems |
English PDF |
| GB/T 20046-2006 |
Photovoltaic(PV) systems-Characteristics of the utility interface 光伏(PV)系统 电网接口特性 |
China National Standards systems |
English PDF |
| GB/T 20175-2006 |
Surface chemical analysis-Sputter depth profiling-Optimization using layered systems as reference materials 表面化学分析 溅射深度剖析 用层状膜系为参考物质的优化方法 |
China National Standards systems |
English PDF |
| GB/T 20171-2006 |
EPA system architecture and communication specification for use in industrial control and measurement systems 用于工业测量与控制系统的EPA系统结构与通信规范 |
China National Standards systems |
English PDF |
| GB/T 19993-2005 |
Thermoplastics piping systems for hot and cold water supply-Test method for the resiance of pipes and fittings mounted assemblies to thermal cycling 冷热水用热塑性塑料管道系统 管材管件组合系统热循环试验方法 |
China National Standards systems |
English PDF |
| GB/T 20009-2005 |
Information security technology -- Data base management systems security evaluation criteria 信息安全技术 数据库管理系统安全评估准则 |
China National Standards systems |
English PDF |
| GB/T 20008-2005 |
Information security technology -- Operating systems security evaluation criteria 信息安全技术 操作系统安全评估准则 |
China National Standards systems |
English PDF |
| GB 20031-2005 |
General technical specifications for foam fire extinguishing systems and components 泡沫灭火系统及部件通用技术条件 |
China National Standards systems |
English PDF |
| GB/T 7253-2005 |
Insulators for overhead lines with a nominal voltage above 1000V -- Ceramic or glass insulator units for a.c.systems -- Charateristics of insulator units of the cap and pin type 标称电压高于1000V的架空线路绝缘子 交流系统用瓷或玻璃绝缘子元件 盘形悬式绝缘子元件的特性 |
China National Standards systems |
English PDF |
| GB/T 19016-2005 |
Quality management systems -- Guidelines for quality management in projects 质量管理体系 项目质量管理指南 |
China National Standards systems |
English PDF |
| GB 3033.2-2005 |
Ships and marine technology-Identification colours for the content of piping systems-Part 2:Additional colours for different media and/or functions 船舶与海上技术 管路系统内含物的识别颜色 第2部分：不同介质和(或)功能的附加颜色 |
China National Standards systems |
English PDF |
| GB 3033.1-2005 |
Ships and marine technology-Identification colours for the content of piping systems-Part 1:Main colours and media 船舶与海上技术 管路系统内含物的识别颜色 第1部分：主颜色和介质 |
China National Standards systems |
English PDF |
| GB 5226.4-2005 |
Safety of machinery-Electrical equipment of machines-Part 31:Particular safety and EMC requirements for sewing machines,units and systems 机械安全 机械电气设备 第31部分：缝纫机、缝制单元和缝制系统的特殊安全和EMC要求 |
China National Standards systems |
English PDF |
| GB/T 19903.1-2005 |
Industrial automation systems and integration-Physical device control-Data model for computerized numerical controllers-Part 1:Overview and fundamental principles 工业自动化系统与集成 物理设备控制 计算机数值控制器用的数据模型 第1部分：概述和基本原理 |
China National Standards systems |
English PDF |
| GB/T 19902.2-2005 |
Industrial automation systems and integration-Manufacturing software capability profiling for interoperability-Part 2:Profiling methodology 工业自动化系统与集成--制造软件互操作性能力建规 第2部分：建规方法论 |
China National Standards systems |
English PDF |
| GB/T 19902.1-2005 |
Industrial automation systems and integration-Manufacturing software capability profiling for interoperability-Part 1:Framework 工业自动化系统与集成--制造软件互操作性能力建规 第1部分：框架 |
China National Standards systems |
English PDF |
| GB/T 19899-2005 |
Binary direct voltage signals for process Measurement and control systems 过程测量和控制系统用二进制 直流电压信号 |
China National Standards systems |
English PDF |
| GB/T 19896-2005 |
Degrees of projected image sharpness for 70,35and 16mm motion-picture projection systems 70、35和16mm电影放映系统 画面清晰度等级 |
China National Standards systems |
English PDF |
| GB/T 16656.502-2005 |
Industrial automation systems and integration Product data representation and exchange Part 502:Application interpreted construct:Shell-based wireframe 工业自动化系统与集成 产品数据表达与交换 第502部分:应用解释构:基于壳的线框 |
China National Standards systems |
English PDF |
| GB/T 16656.501-2005 |
Industrial automation systems and integration Product data representation and exchange Part 501:Application interpreted construct:Edge-based wireframe 工业自动化系统与集成 产品数据表达与交换 第501部分:应用解释构造:基于边的线框 |
China National Standards systems |
English PDF |
| GB/T 16935.3-2005 |
Insulation coordination for equipment within low-voltage systems Part 3:Use of coating,potting or moulding for protection against pollution 低压系统内设备的绝缘配合 第3部分：利用涂层、罐封和模压进行防污保护 |
China National Standards systems |
English PDF |
| GB/T 16977-2005 |
Industrial robots Coordinate systems and motion nomenclatures 工业机器人 坐标系和运动命名原则 |
China National Standards systems |
English PDF |
| GB/T 3452.1-2005 |
Fluid power systems-O-rings-Part 1:Inside diameters,cross-sections,tolerances and size identification code 液压气动用O形橡胶密封圈 第1部分:尺寸系列及公差 |
China National Standards systems |
English PDF |
| GB/T 2351-2005 |
Fluid power systems and components-Connectors and associated components-Nominal outside diameters of tubes and nominal inside diameters of hoses 液压气动系统用硬管外径和软管内径 |
China National Standards systems |
English PDF |
| GB/T 19847-2005 |
Mechanical vibration and shock-Analytical methods of assessing shock resistance of mechanical systems-Information exchange between suppliers and users of analyses 机械振动和冲击 评价机械系统冲击阻抗的分析方法 分析的提供者和使用者之间的信息交换 |
China National Standards systems |
English PDF |
| GB/Z 19798-2005 |
Agricultural irrigation equipment-Automatic irrigation systems-Hydraulic control 农业灌溉设备 自动灌溉系统 水力控制 |
China National Standards systems |
English PDF |
| GB/T 19661.1-2005 |
Safety requirements for nuclear instrumentations and systems Part 1:General requirements 核仪器及系统安全要求 第1部分:通用要求 |
China National Standards systems |
English PDF |
| GB/T 16264.8-2005 |
Information technology-Open systems Interconnection-The Directory:Public-key and attribute certificate frameworks 信息技术 开放系统互连 目录 第8部分:公钥和属性证书框架 |
China National Standards systems |
English PDF |
| GB/T 19768-2005 |
Expression of performance of sample handling systems for process analyzers 过程分析器试样处理系统性能表示 |
China National Standards systems |
English PDF |
| GB 15558.2-2005 |
Buried Polyethylene(PE)piping systems for the supply of gaseous fuels Part 2:Fittings 燃气用埋地聚乙烯(PE)管道系统 第2部分:管件 |
China National Standards systems |
English PDF |
| GB/T 24004-2004 |
Environmental management systems--General guidelines on principies,systems and support techniques 环境管理体系原则、体系和支持技术通用指南 |
China National Standards systems |
English PDF |
| GB/T 24001-2004 |
Environmental management systems Requirements with guidance for use 环境管理体系要求及使用指南 |
China National Standards systems |
English PDF |
| GB/T 13663.2-2005 |
Polyethylene(PE)pipings systems for water supply Part 2:Fittings 给水用聚乙烯(PE)管道系统 第2部分:管件 |
China National Standards systems |
English PDF |
| GB/T 5094.4-2005 |
Industrial systems,installations and equipment and industrial products-Structuring principles and reference designations-Part 4:Discussion of concepts 工业系统、装置与设备以及工业产品 结构原则与参照代号 第4部分:概念的说明 |
China National Standards systems |
English PDF |
| GB/T 16855.100-2005 |
Safety of machinery-Safety-related parts of control systems-Part 100:Guidelines for the use and application of GB/T 16855.1 机械安全 控制系统有关安全部件 第100部分:GB/T 16855.1的应用指南 |
China National Standards systems |
English PDF |
| GB/Z 18700.7-2005 |
Telecontrol equipment and systems-Part 6-505:Telecontrol protocols compatible with ISO standards and ITU-T recommendations-TASE.2 User guide 远动设备和系统 第6-505部分:与ISO标准和ITU-T建议 兼容的远动协议 TASE.2 用户指南 |
China National Standards systems |
English PDF |
| GB/Z 14429-2005 |
Telecontrol equipmet and systems Part1:General considerations Section3:Glossary 远动设备及系统 第1-3部分:总则 术语 |
China National Standards systems |
English PDF |
| GB/T 5094.3-2005 |
Industrial systems,installations and equipment and industrial products-Structuring principles and reference designations-Part 3:Application guidelines 工业系统、装置与设备以及工业产品 结构原则与参照代号 第3部分:应用指南 |
China National Standards systems |
English PDF |
| GB/T 18700.8-2005 |
Telecontrol equipment and systems-Part 6-601:Telecontrol protocols compatible with ISO standards and ITU-T recommendations-Functional profile for providing the connection-oriented transport service in an end system connected via permanent access to a pac 远动设备和系统 第6-601部分:与ISO标准和ITU-T建议 兼容的远动协议 在通过永久接入分组交换数据网连接的端系统中提供基于连接传输服务的功能协议集 |
China National Standards systems |
English PDF |
| GB/T 18700.6-2005 |
Telecontrol equipment and systems-Part 6-2:Telecontrol protocols compatible with ISO standards and ITU-T recommendations-Use of basic standards(OSI layers 1-4) 远动设备和系统 第6-2部分:与ISO标准和ITU-T建议 兼容的远动协议 OSI 1至4层基本标准的使用 |
China National Standards systems |
English PDF |
| GB/T 19660-2005 |
Industrial automation systems and integration-Numerical control of machines-Coordinate system and motion nomenclature 工业自动化系统与集成 机床数值控制 坐标系和运动命名 |
China National Standards systems |
English PDF |
| GB/T 19659.1-2005 |
Industrial automation systems and integration-Open systems application integration framework-Part 1:Generic reference description 工业自动化系统与集成 开放系统应用集成框架 第1部分:通用的参考描述 |
China National Standards systems |
English PDF |
| GB/T 19662-2005 |
Industrial automation systems-Manufacturing Message Specification Terminology 工业自动化系统 制造报文规范 术语 |
China National Standards systems |
English PDF |
| GB/T 16720.2-2005 |
Industrial automation systems-Manufacturing Message Specification-Part 2:Protocol specification 工业自动化系统 制造报文规范 第2部分:协议规范 |
China National Standards systems |
English PDF |
| GB/T 16720.1-2005 |
Industrial automation systems-Manufacturing Message Specification-Part 1:Service definition 工业自动化系统 制造报文规范 第1部分:服务定义 |
China National Standards systems |
English PDF |
| GB/T 19634-2005 |
In vitro diagnostic test systems-General technical requirements for blood-glucose monitoring systems for self-testing 体外诊断检验系统 自测用血糖监测系统通用技术条件 |
China National Standards systems |
English PDF |
| GB/T 16857.5-2004 |
Geometrical Product Specifications(GPS)--Acceptance and reverification tests for coordinate measuring machines(CMM)--Part 5:CMMs using multiple-stylus probing systems 产品几何量技术规范(GPS) 坐标测量机的验收检测和复检检测 第5部分:使用多探针探测系统的坐标测量机 |
China National Standards systems |
English PDF |
| GB 50347-2004 |
Code of design for powder extinguishing systems 干粉灭火系统设计规范 |
China National Standards systems |
English PDF |
| GB/T 19568-2004 |
Assembling and installation regulation for wind turbine generator systems 风力发电机组装配和安装规范 |
China National Standards systems |
English PDF |
| GB/T 4585-2004 |
Artificial pollution tests on high-voltage insulators to be used on a.c. systems 交流系统用高压绝缘子的人工污秽试验 |
China National Standards systems |
English PDF |
| GB/Z 16656.1001-2004 |
Industrial automation systems and integration--Product data representation and exchange--Part 1001:Application module:Appearance assignment 工业自动化系统与集成 产品数据表达与交换 第1001部分:应用模块:外观赋值 |
China National Standards systems |
English PDF |
| GB/T 16656.513-2004 |
Industrial automation systems and integration--Product data representation and exchange--Part 513:Application interpreted construct:Elementary boun-dary representation 工业自动化系统与集成 产品数据表达与交换 第513部分:应用解释构造:基本边界表达 |
China National Standards systems |
English PDF |
| GB/T 16656.503-2004 |
Industrial automation systems and integration--Product data representation and exchange--Part 503:Application interpreted construct:Geometrically bounded 2D wireframe 工业自动化系统与集成 产品数据表达与交换 第503部分:应用解释构造:几何有界二维线框 |
China National Standards systems |
English PDF |
| GB/T 19473.3-2004 |
Polybutylene(PB) piping systems for hot and cold water installations--Part 3:Fittings 冷热水用聚丁烯(PB)管道系统 第3部分:管件 |
China National Standards systems |
English PDF |
| GB/T 19473.2-2004 |
Polybutylene(PB) piping systems for hot and cold water installations--Part 2:Pipes 冷热水用聚丁烯(PB)管道系统 第2部分:管材 |
China National Standards systems |
English PDF |
| GB/T 19473.1-2004 |
Polybutylene(PB) piping systems for hot and cold water installations--Part 1:General 冷热水用聚丁烯(PB)管道系统 第1部分:总则 |
China National Standards systems |
English PDF |
| GB/T 19471.2-2004 |
Plastics piping systems--Elastomeric-sealing-ring-type socket joints of unplasticized poly(vinyl chloride)(PVC-U)for use with PVC-U pipes--Test method for leaktightness under negative pressure 塑料管道系统 硬聚氯乙烯(PVC-U)管材弹性密封圈式承口接头 负压密封试验方法 |
China National Standards systems |
English PDF |
| GB/T 19471.1-2004 |
Plastics piping systems--Elastomeric-sealing-ring-type socket joints for use with unplasticized poly(vinyl chloride)(PVC-U)pipes--Test method forleaktighness under internal pressure and angular deflection 塑料管道系统 硬聚氯乙烯(PVC-U)管材弹性密封圈式承口接头 偏角密封试验方法 |
China National Standards systems |
English PDF |
| GB/T 19443-2004 |
Insulators for overhead lines with a nominal voltage above 1000V--Ceramic or glass insulator units for d.c. systems--Difinitions，test methods and acceptance criteria 标称电压高于1000V的架空线路用绝缘子----直流系统用瓷或玻璃绝缘子元件----定义、试验方法和接收准则 |
China National Standards systems |
English PDF |
| GB/T 12747.2-2004 |
Shunt power capacitors of the self-healing type for a.c.systems having a rated voltage up to and including 1000V--Part 2:Ageing test，self-healing test and destruction test 标称电压1 kV及以下交流电力系统用自愈式并联电容器 第2部分:老化试验、自愈性试验和破坏试验 |
China National Standards systems |
English PDF |
| GB/T 12747.1-2004 |
Shunt power capacitors of the self-healing type for a.c. systems having a rated valtage up to and including 1000V--Part 1:General--Performance，testing and rating--Safety requirements--Guide for installation and operation 标称电压1 kV及以下交流电力系统用自愈式并联电容器 第1部分:总则----性能、试验和定额----安全要求----安装和运行导则 |
China National Standards systems |
English PDF |
| GB/T 19022-2003 |
Measurement management systems--Requirements for measurement processes and measuring equipment 测量管理体系 测量过程和测量设备的要求 |
China National Standards systems |
English PDF |
| GB/T 7932-2003 |
Pneumatic fluid power--General rules relating tosystems 气动系统通用技术条件 |
China National Standards systems |
English PDF |
| GB/T 2346-2003 |
Fluid power systems and components--Nominal pressures 流体传动系统及元件 公称压力系列 |
China National Standards systems |
English PDF |
| GB/T 18794.7-2003 |
Information technology--Open systems Interconnection--Security frameworks for open systems--Part 7:Security audit and alarms framework 信息技术 开放系统互连 开放系统安全框架 第7部分:安全审计和报警框架 |
China National Standards systems |
English PDF |
| GB/T 18794.6-2003 |
Information technology--Open systems Interconnection--Security frameworks for open systems--Part 6:Integrity framework 信息技术 开放系统互连 开放系统安全框架 第6部分:完整性框架 |
China National Standards systems |
English PDF |
| GB/T 18794.5-2003 |
Information technology--Open systems Interconnection--Security frameworks for open systems--Part 5:Confidentiality framework 信息技术 开放系统互连 开放系统安全框架 第5部分:机密性框架 |
China National Standards systems |
English PDF |
| GB/T 18794.4-2003 |
Information technology--Open systems Interconnection--Security frameworks for open systems--Part 4:Non-repudiation framework 信息技术 开放系统互连 开放系统安全框架 第4部分:抗抵赖框架 |
China National Standards systems |
English PDF |
| GB/T 18794.3-2003 |
Information technology--Open systems Interconnection--Security frameworks for open systems--Part 3:Access control framework 信息技术 开放系统互连 开放系统安全框架 第3部分:访问控制框架 |
China National Standards systems |
English PDF |
| GB/Z 19398-2003 |
Industrial automation systems and integration--Operating conditions for discrete part manufacturing-equipment in industrial environments 工业自动化系统与集成 离散部件制造设备在工业环境中的工作条件 |
China National Standards systems |
English PDF |
| GB/T 19393-2003 |
Rating of direct coupled photovoltaic(PV)--Pumping systems 直接耦合光伏(PV)扬水系统的评估 |
China National Standards systems |
English PDF |
| GB/T 19364-2003 |
Machinery forforestry--Wheeled special machines--Vocabulary，performance test methods and criteria for brake systems 轮式专用林业机械 制动系统的词汇、性能试验方法和技术条件 |
China National Standards systems |
English PDF |
| GB/T 19353-2003 |
Vitreous and porcelain enamels--Corrosion tests in closed systems 搪玻璃釉 密闭系统中的腐蚀试验 |
China National Standards systems |
English PDF |
| GB 15558.1-2003 |
Buried polyethylene(PE)piping systems for the supply of gaseous fuels--Part 1:Pipes 燃气用埋地聚乙烯(PE)管道系统 第1部分:管材 |
China National Standards systems |
English PDF |
| GB/T 17948-2003 |
Functional evaluation of insulation systems for rotating electrical machines--General guidelines 旋转电机绝缘结构功能性评定 总则 |
China National Standards systems |
English PDF |
| GB/T 19321-2003 |
Small craft--Steering gear--Geared link systems 小艇 操舵装置 齿轮传动连接系统 |
China National Standards systems |
English PDF |
| GB/T 19318-2003 |
Small craft--Hydraulic steering systems 小艇 液压操舵系统 |
China National Standards systems |
English PDF |
| GB/T 19311-2003 |
Small craft--Electrical systems--Extra-low-voltage d.c.installations 小艇 电气系统 超低压直流装置 |
China National Standards systems |
English PDF |
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