Cart:
 |
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 40987.1-2021 |
Public library professional work specifications—Part 1： ProviNCial public library 公共图书馆业务规范 第1部分：省级公共图书馆 |
China National Standards NC |
 English PDF |
| GB 9706.227-2021 |
Medical electrical equipment—Part 2-27: Particular requirements for the basic safety and essential performaNCe of electrocardiographic monitoring equipment 医用电气设备 第2-27部分：心电监护设备的基本安全和基本性能专用要求 |
China National Standards NC |
English PDF |
| GB 9706.226-2021 |
Medical electrical equipment—Part 2-26: Particular requirements for the basic safety and essential performaNCe of electroencephalographs 医用电气设备 第2-26部分：脑电图机的基本安全和基本性能专用要求 |
China National Standards NC |
English PDF |
| GB 9706.219-2021 |
Medical electrical equipment—Part 2-19:Particular requirements for the basic safety and essential performaNCe of infant incubators 医用电气设备 第2-19部分：婴儿培养箱的基本安全和基本性能专用要求 |
China National Standards NC |
English PDF |
| GB/T 40681.6-2021 |
Statistical methods in monitoring process capability and performaNCe—Part 6:Process capability statistics for characteristics following a multivariate normal distribution 生产过程能力和性能监测统计方法 第6部分：多元正态过程能力分析 |
China National Standards NC |
English PDF |
| GB/T 40681.5-2021 |
Statistical methods in monitoring process capability and performaNCe—Part 5:Process capability estimates and performance for attributive characteristics 生产过程能力和性能监测统计方法 第5部分：计数特性的过程能力和性能估计 |
China National Standards NC |
English PDF |
| GB/T 40681.4-2021 |
Statistical methods in monitoring process capability and performaNCe—Part 4:Process capability estimates and performance measures 生产过程能力和性能监测统计方法 第4部分：过程能力估计和性能测量 |
China National Standards NC |
English PDF |
| GB/T 30272-2021 |
Information security technology—Public key infrastructure—Testing and assessment of compliaNCe with standards 信息安全技术 公钥基础设施 标准符合性测评 |
China National Standards NC |
English PDF |
| GB/T 22712-2021 |
Technical specification for G series cooling fans applying to variable frequeNCy motors 变频电机用G系列冷却风机技术规范 |
China National Standards NC |
English PDF |
| GB/T 27744-2021 |
Specification and energy efficieNCy grades for line-start permanent magnet synchronous motors(frame size 80～355) 异步起动永磁同步电动机技术条件及能效分级（机座号80~355） |
China National Standards NC |
English PDF |
| GB/T 40815.4-2021 |
Mechanical structures for electrical and electronic equipment—Thermal managementfor cabinets in accordaNCe with inch and metric system—Part 4:Cooling performance tests for water supplied heat exchangers in electronic cabinets 电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第4部分：电子机柜中供水热交换器的冷却性能试验 |
China National Standards NC |
English PDF |
| GB/T 40815.2-2021 |
Mechanical structures for electrical and electronic equipment—Thermal management for cabinets in accordaNCe with inch and metric system—Part 2:Method for the determination of forced air cooling 电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第2部分：强迫风冷的确定方法 |
China National Standards NC |
English PDF |
| GB/T 18663.2-2021 |
Mechanical structures for electronic equipment—Tests for metric and iNCh system—Part 2: Seismic tests for cabinets and racks 电子设备机械结构 公制系列和英制系列的试验 第2部分：机柜和机架的地震试验 |
China National Standards NC |
English PDF |
| GB/T 30314-2021 |
Rubber- or plastics-coated fabrics—Determination of abrasion resistaNCe—Taber abrader 橡胶或塑料涂覆织物 耐磨性的测定 泰伯法 |
China National Standards NC |
English PDF |
| GB/T 29493.2-2021 |
Determination of harmful substaNCes in textile dyeing and finishing auxiliaries—Part 2: Determination of perfluorinated compounds (PFCs) 纺织染整助剂中有害物质的测定 第2部分：全氟化合物（PFCs）的测定 |
China National Standards NC |
English PDF |
| GB/T 29493.1-2021 |
Determination of harmful substaNCes in textile dyeing and finishing auxiliaries -- Part 1: Determination of the prohibited or restricted flame retardants 纺织染整助剂中有害物质的测定 第1部分：禁限用阻燃剂的测定 |
China National Standards NC |
English PDF |
| GB/T 40694.1-2021 |
Information technology—Pictograms,icons and symbols for use with biometric systems—Part 1: General priNCiples 信息技术 用于生物特征识别系统的图示、图标和符号 第1部分：总则 |
China National Standards NC |
English PDF |
| GB/T 40737-2021 |
Remanufacturing—Test method for performaNCe of laser cladding layer 再制造 激光熔覆层性能试验方法 |
China National Standards NC |
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 NC |
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 NC |
English PDF |
| GB/T 40735-2021 |
Method for inherent energy efficieNCy evaluation of computer numerical control machine tools 数控机床固有能量效率的评价方法 |
China National Standards NC |
English PDF |
| GB/T 40725-2021 |
Test method of dipped cord and rubber adhesive peeling performaNCe 浸胶帘线与橡胶粘合剥离性能试验方法 |
China National Standards NC |
English PDF |
| GB 40881-2021 |
Code for security system design of low coNCentration gas pipeline transportation of coal mine 煤矿低浓度瓦斯管道输送安全保障系统设计规范 |
China National Standards NC |
English PDF |
| GB/T 40832-2021 |
Determination of mangiferin in mango leaves—High performaNCe liquid chromatography 芒果叶中芒果苷的测定 高效液相色谱法 |
China National Standards NC |
English PDF |
| GB/T 40744-2021 |
Determination of solanesol in potato stems，leaves and their processed products. High performaNCe liquid chromatography-mass spectrometry 马铃薯茎叶及其加工制品中茄尼醇的含量测定 高效液相色谱-质谱法 |
China National Standards NC |
English PDF |
| GB/T 40734-2021 |
Non-destructive testing of welds—Phased array ultrasonic testing(PAUT)—AcceptaNCe levels 焊缝无损检测 相控阵超声检测 验收等级 |
China National Standards NC |
English PDF |
| GB/T 40833-2021 |
Determination of p-coumaric acid in sugarcane rinds—High performaNCe liquid chromatography 甘蔗皮渣中对香豆酸检测方法 高效液相色谱法 |
China National Standards NC |
English PDF |
| GB/T 16895.10-2021 |
Low-voltage electrical installations -- Part 4-44: Protection for safety -- Protection against voltage disturbaNCes and electromagnetic disturbances 低压电气装置 第4-44部分：安全防护 电压骚扰和电磁骚扰防护 |
China National Standards NC |
English PDF |
| GB/T 40571-2021 |
Intelligent service—Predictive maintenaNCe—General requirements 智能服务 预测性维护 通用要求 |
China National Standards NC |
English PDF |
| GB/T 40742.5-2021 |
Geometrical product specifications (GPS)—Geometrical precisionverification—Part 5:Estimation of uNCertainty of measurement for geometrical characteristics verification 产品几何技术规范（GPS） 几何精度的检测与验证 第5部分:几何特征检测与验证中测量不确定度的评估 |
China National Standards NC |
English PDF |
| GB/T 5169.20-2021 |
Fire hazard testing for electric and electronic products—Part 20: Surface spread of flame—Summary and relevaNCe of test methods 电工电子产品着火危险试验 第20部分：火焰表面蔓延 试验方法概要和相关性 |
China National Standards NC |
English PDF |
| GB/T 40803-2021 |
Machining process—Method for energy efficieNCy evaluation 机械加工过程 能量效率评价方法 |
China National Standards NC |
English PDF |
| GB/T 40799-2021 |
Machining process -- Test methods for essential energy efficieNCy data 机械加工过程 能效基础数据检测方法 |
China National Standards NC |
English PDF |
| GB/T 21969-2021 |
YGP series variable-frequeNCy adjustable-speed three-phase induction motors for roll table application—Technical specification YGP系列辊道用变频调速三相异步电动机 技术条件 |
China National Standards NC |
English PDF |
| GB/T 40616-2021 |
Technical requirements for simulation test of control system fuNCtions of the rural photovoltaic power station cluster 村镇光伏发电站集群控制系统仿真测试技术要求 |
China National Standards NC |
English PDF |
| GB/T 40366-2021 |
Guidelines for the iNClusion of graphical symbols for use on electrical equipment in IEC publications 电气设备用图形符号列入IEC出版物的导则 |
China National Standards NC |
English PDF |
| GB/T 15717-2021 |
Test method for vacuum-deposited metal thickness—Electric resistaNCe method 真空金属镀层厚度测试方法 电阻法 |
China National Standards NC |
English PDF |
| GB/T 40690-2021 |
Information technology—Cloud computing—Jointcloud computing refereNCe architecture 信息技术 云计算 云际计算参考架构 |
China National Standards NC |
English PDF |
| GB/T 15055-2021 |
Permissible stamping variations in dimensions without toleraNCe indication 冲压件未注公差尺寸极限偏差 |
China National Standards NC |
English PDF |
| GB/T 40699-2021 |
Requirements of lauNCh vehicle to electrical ground support equipment interfaces 运载火箭与地面支持设备电气接口要求 |
China National Standards NC |
English PDF |
| GB/T 26703-2021 |
Determination of abrasion resistaNCe for top piece of leather shoes 皮鞋跟面耐磨性能试验方法 |
China National Standards NC |
English PDF |
| GB/T 40600-2021 |
Technical requirements for dispatching fuNCtion of wind farm power control system 风电场功率控制系统调度功能技术要求 |
China National Standards NC |
English PDF |
| GB/T 40595-2021 |
Guide for technology and test on primary frequeNCy control of grid-connected power resource 并网电源一次调频技术规定及试验导则 |
China National Standards NC |
English PDF |
| GB/T 40592-2021 |
Technical rules for automatic over-frequeNCy generator tripping in electric power system 电力系统自动高频切除发电机组技术规定 |
China National Standards NC |
English PDF |
| GB/T 40596-2021 |
Technical rules for automatic under-frequeNCy load shedding in electric power systems 电力系统自动低频减负荷技术规定 |
China National Standards NC |
English PDF |
| GB/T 40593-2021 |
Guidelines for parameters measurement and modeling of syNChronous generator governing system 同步发电机调速系统参数实测及建模导则 |
China National Standards NC |
English PDF |
| GB/T 40589-2021 |
Modeling guide for excitation system of syNChronous generator 同步发电机励磁系统建模导则 |
China National Standards NC |
English PDF |
| GB/T 5909-2021 |
Commercial vehicles—Wheels—PerformaNCe requirements and test methods for cornering and radial fatigue 商用车 车轮 弯曲和径向疲劳性能要求及试验方法 |
China National Standards NC |
English PDF |
| GB/T 5334-2021 |
Passenger car—Wheels—PerformaNCe requirements and test methods for cornering and radial fatigue 乘用车 车轮 弯曲和径向疲劳性能要求及试验方法 |
China National Standards NC |
English PDF |
| GB/T 40927-2021 |
Leather—Physical and mechanical tests—Determination of heat resistaNCe of patent leather 皮革 物理和机械试验 漆皮耐热性能的测定 |
China National Standards NC |
English PDF |
| GB/T 40906-2021 |
Methods for the determination of prohibited substaNCes in furniture products and related materials—Certain phthalate esters 家具产品及其材料中禁限用物质测定方法 邻苯二甲酸酯增塑剂 |
China National Standards NC |
English PDF |
| GB/T 40904-2021 |
Methods for the determination of prohibited substaNCes in furniture products and related materials—Azo dyes 家具产品及其材料中禁限用物质测定方法 偶氮染料 |
China National Standards NC |
English PDF |
| GB/T 40971-2021 |
Methods for the determination of prohibited substaNCe in furniture products and related materials—Polycyclic aromatic hydrocarbons 家具产品及其材料中禁限用物质测定方法 多环芳烃 |
China National Standards NC |
English PDF |
| GB/T 40908-2021 |
Methods for the determination of prohibited substaNCes in furniture products and related materials—Flame retardants 家具产品及其材料中禁限用物质测定方法 阻燃剂 |
China National Standards NC |
English PDF |
| GB/T 40907-2021 |
Methods for the determination of prohibited substaNCes in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline 家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷 |
China National Standards NC |
English PDF |
| GB/T 40831-2021 |
(Asset Management A guide to the consisteNCy of financial and non-financial functions in asset management activities) 资产管理 财务与非财务职能在资产管理活动中的一致性指南 |
China National Standards NC |
English PDF |
| GB/T 9578-2021 |
Industry refereNCe carbon black 4# 工业参比炭黑4# |
China National Standards NC |
English PDF |
| GB/T 15092.5-2021 |
Switches for appliaNCes—Part 2:Particular requirements for switches used in electric motor-operated hand-held tools, transportable tools and lawn and garden machinery 器具开关 第2部分：手持式、可移式电动工具和园林机器开关的特殊要求 |
China National Standards NC |
English PDF |
| GB/T 40789-2021 |
Gas analysis—Online automated measuring systems for content of carbon monoxide,carbon dioxide and oxygen—Determination of performaNCe characteristics 气体分析 一氧化碳含量、二氧化碳含量和氧气含量在线自动测量系统 性能特征的确定 |
China National Standards NC |
English PDF |
| GB/T 40590-2021 |
Specification for operation and maintenaNCe management of electron accelerator facility for radiation processing 辐射加工用电子加速器装置运行维护管理通用规范 |
China National Standards NC |
English PDF |
| GB/T 40648-2021 |
Intelligent manufacturing -- Virtual factory refereNCe architecture 智能制造 虚拟工厂参考架构 |
China National Standards NC |
English PDF |
| GB/T 39560.8-2021 |
Determination of certain substaNCes in electrical and electronic products—Part 8:Phthalates in polymers by gas chromatography-mass spectrometry (GC-MS),gas chromatography-mass spectrometry using a pyrolyzer/thermaldesorption accessory (Py/TD-GC-MS) 电子电气产品中某些物质的测定 第8部分：气相色谱-质谱法（GC-MS）与配有热裂解/热脱附的气相色谱-质谱法 （Py/TD-GC-MS）测定聚合物中的邻苯二甲酸酯 |
China National Standards NC |
English PDF |
| GB/T 39560.702-2021 |
Determination of certain substaNCes in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method 电子电气产品中某些物质的测定 第7-2部分：六价铬 比色法测定聚合物和电子件中的六价铬[Cr（VI）] |
China National Standards NC |
English PDF |
| GB/T 39560.5-2021 |
Determination of certain substaNCes in electrical and electronic products—Part 5: Cadmium，lead and chromium in polymers and electronics and cadmium and lead in metals by AAS，AFS，ICP-OES and ICP-MS 电子电气产品中某些物质的测定 第5部分： AAS、AFS、ICP-OES和ICP-MS法测定聚合物和电子件中镉、铅、铬以及金属中镉、铅的含量 |
China National Standards NC |
English PDF |
| GB/T 39560.4-2021 |
Determination of certain substaNCes in electrical and electronic products—Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS , ICP-OES and ICP-MS 电子电气产品中某些物质的测定 第4部分：CV-AAS、CV-AFS、ICP-OES和ICP-MS测定聚合物、金属和电子件中的汞 |
China National Standards NC |
English PDF |
| GB/T 40720-2021 |
Rubber,vulcanized rubber—Determination of insulation resistaNCe 硫化橡胶 绝缘电阻的测定 |
China National Standards NC |
English PDF |
| GB/T 40797-2021 |
Rubber, vulcanized or thermoplastic -- Determination of resistaNCe to abrasion -- Driven, vertical abrasive disc method 硫化橡胶或热塑性橡胶 耐磨性能的测定 垂直驱动磨盘法 |
China National Standards NC |
English PDF |
| GB/T 1687.4-2021 |
Rubber,vulcanized—Determination of temperature rise and resistaNCe to fatigue in flexometer testing—Part 4: Constant-stress flexometer 硫化橡胶 在屈挠试验中温升和耐疲劳性能的测定 第4部分：恒应力屈挠试验 |
China National Standards NC |
English PDF |
| GB/T 40742.3-2021 |
Geometrical product specifications (GPS)—Geometrical precision verification—Part 3:FuNCtional gauges and fixtures—Verification when applying maximum material requirements and minimum material requirements 产品几何技术规范（GPS） 几何精度的检测与验证 第3部分：功能量规与夹具 应用最大实体要求和最小实体要求时的检测与验证 |
China National Standards NC |
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 NC |
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 NC |
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 NC |
English PDF |
| GB/T 12535-2021 |
Test method of starting performaNCe for motor vehicle 汽车起动性能试验方法 |
China National Standards NC |
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 NC |
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 NC |
English PDF |
| GB/T 40691-2021 |
Artificial intelligeNCe—Affective computing user interface—Model 人工智能 情感计算用户界面 模型 |
China National Standards NC |
English PDF |
| GB/T 16277-2021 |
Road construction and maintenaNCe machinery and equipment—Asphalt paver 道路施工与养护机械设备 沥青混凝土摊铺机 |
China National Standards NC |
English PDF |
| GB/T 17808-2021 |
Road construction and maintenaNCe machinery and equipment—Asphalt mixing plant 道路施工与养护机械设备 沥青混合料搅拌设备 |
China National Standards NC |
English PDF |
| GB/T 40781-2021 |
General resource of military and civilian—RefereNCe model of heterogeneous systems interconnection 军民通用资源 异构系统互连参考模型 |
China National Standards NC |
English PDF |
| GB/T 40910-2021 |
Textiles—Evaluation for water resistaNCe and water vapour permeability 纺织品 防水透湿性能的评定 |
China National Standards NC |
English PDF |
| GB/T 40576-2021 |
Evaluation methodology for operation efficieNCy of industrial robots 工业机器人运行效率评价方法 |
China National Standards NC |
English PDF |
| GB/T 40575-2021 |
Guidelines of energy efficieNCy evaluation for industrial robots 工业机器人能效评估导则 |
China National Standards NC |
English PDF |
| GB/T 40559-2021 |
Lithium ion cells and batteries used in self-balaNCing vehicle—Safety requirements 平衡车用锂离子电池和电池组 安全要求 |
China National Standards NC |
English PDF |
| GB/T 40419-2021 |
Health informatics—Genomic SequeNCe Variation Markup Language (GSVML) 健康信息学 基因组序列变异置标语言（GSVML） |
China National Standards NC |
English PDF |
| GB/T 40664-2021 |
General requirements for high-throughput sequeNCing technologies of detecting nucleic acid samples 用于高通量测序的核酸类样本质量控制通用要求 |
China National Standards NC |
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 NC |
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 NC |
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 NC |
English PDF |
| GB/T 40715-2021 |
Specification of precast coNCrete curtain wall panel 装配式混凝土幕墙板技术条件 |
China National Standards NC |
English PDF |
| GB/T 40652-2021 |
Information security technology—Guide to malware iNCident prevention and handling 信息安全技术 恶意软件事件预防和处理指南 |
China National Standards NC |
English PDF |
| GB/T 40614-2021 |
Technical requirment of performaNCe evaluation for solar thermal power plant 光热发电站性能评估技术要求 |
China National Standards NC |
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 NC |
English PDF |
| GB/T 21543-2021 |
Feed additives—Flavorings—General priNCiples 饲料添加剂 调味剂 通用要求 |
China National Standards NC |
English PDF |
| GB/T 40663-2021 |
Guidelines for environmental performaNCe evaluation in electrical and electronic enterprises 电工电子企业环境绩效评价指南 |
China National Standards NC |
English PDF |
| GB/T 40661-2021 |
Calibration specification of measurement instrument for power frequeNCy magnetic field 工频磁场测量仪校准规范 |
China National Standards NC |
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 NC |
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 NC |
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 NC |
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 NC |
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 NC |
English PDF |
| Find out:9985Items | To Page of: First -Previous-Next -Last | [10] [11] [12] [13] [14] [15] [16] |
+86-755-25831330
