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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 18910.2-2003 |
Liquid crystal and solid-state display devices--Part 2:Liquid crystal display modules seCTional specification 液晶和固态显示器件 第2部分:液晶显示模块分规范 |
China National Standards CT |
 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 CT |
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 CT |
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 CT |
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 CT |
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 CT |
English PDF |
| GB/T 18714.3-2003 |
Information technology--Open distributed processing--Reference model--Part 3:ArchiteCTure 信息技术 开放分布式处理 参考模型 第3部分:体系结构 |
China National Standards CT |
English PDF |
| GB/T 18311.5-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 3-5:Examinations and measurements--Wavelength dependence of attenuation 纤维光学互连器件和无源器件 基本试验和测量程序 第3-5部分:检查和测量 衰减对波长的依赖性 |
China National Standards CT |
English PDF |
| GB/T 18311.4-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 3-4:Examinations and measurements--Attenuation 纤维光学互连器件和无源器件 基本试验和测量程序 第3-4部分:检查和测量 衰减 |
China National Standards CT |
English PDF |
| GB/T 18311.40-2003 |
Fibre optic interconneCTing devices and passivecomponents--Basic test and measurement procedures--Part 3-40:Examinations and measurements--Extinction ratio of a polarization maintaining(pm)fibre pigtailed connector 纤维光学互连器件和无源器件 基本试验和测量程序 第3-40部分:检查和测量 带保偏光纤尾纤连接器的消光比 |
China National Standards CT |
English PDF |
| GB/T 18311.34-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 3-34:Examinations and measurements--Attenuation of random mated connectors 纤维光学互连器件和无源器件 基本试验和测量程序 第3-34部分:检查和测量 随机配接连接器的衰减 |
China National Standards CT |
English PDF |
| GB/T 18311.1-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 3-1:Examinations and measurements--Visual examination 纤维光学互连器件和无源器件 基本试验和测量程序 第3-1部分:检查和测量 外观检查 |
China National Standards CT |
English PDF |
| GB/T 18310.9-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 2-9:Tests--Shock 纤维光学互连器件和无源器件 基本试验和测量程序 第2-9部分:试验 冲击 |
China National Standards CT |
English PDF |
| GB/T 18310.45-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 2-45:Tests--Durability test by water immersion 纤维光学互连器件和无源器件 基本试验和测量程序 第2-45部分:试验 浸水耐久性 |
China National Standards CT |
English PDF |
| GB/T 18310.42-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 2-42:Tests--Static side load for connectors 纤维光学互连器件和无源器件 基本试验和测量程序 第2-42部分:试验 连接器的静态端部负荷 |
China National Standards CT |
English PDF |
| GB/T 18310.26-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 2-26:Tests--Salt mist 纤维光学互连器件和无源器件 基本试验和测量程序 第2-26部分:试验 盐雾 |
China National Standards CT |
English PDF |
| GB/T 18310.22-2003 |
Fibre optic interconneCTing devices and passive components--Basic test andmeasurement procedures--Part 2-22:Tests--Change of temperature 纤维光学互连器件和无源器件 基本试验和测量程序 第2-22部分:试验 温度变化 |
China National Standards CT |
English PDF |
| GB/T 18310.17-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 2-17:Tests--Cold 纤维光学互连器件和无源器件 基本试验和测量程序 第2-17部分:试验 低温 |
China National Standards CT |
English PDF |
| GB/T 18310.14-2003 |
Fibre optic interconneCTing devices and passive components--Basic test and measurement procedures--Part 2-14:Tests--Maximum input power 纤维光学互连器件和无源器件 基本试验和测量程序 第2-14部分:试验 最大输入功率 |
China National Standards CT |
English PDF |
| GB/T 17574.10-2003 |
SemiconduCTor devices--Integrated circuits--Part 2-10:Digital integrated circuits--Blank detail specification for integrated circuit dynamicread/write memories 半导体器件 集成电路 第2-10部分:数字集成电路 集成电路动态读/写存储器空白详细规范 |
China National Standards CT |
English PDF |
| GB/T 16608.1-2003 |
EleCTromechanical elementary all-or-nothing relays of assessed quality--Part 1:Generic specification 有质量评定的有或无基础机电继电器 第1部分:总规范 |
China National Standards CT |
English PDF |
| GB/T 15651.3-2003 |
Discrete semiconduCTor devices and integrated circuits--Part 5-3:Optoelectronic devices--Measuring methods 半导体分立器件和集成电路 第5-3部分:光电子器件 测试方法 |
China National Standards CT |
English PDF |
| GB/T 15651.2-2003 |
Discrete semiconduCTor devices and integrated circuits--Part 5-2:Optoelectronic devices--Essential ratings and characteristics 半导体分立器件和集成电路 第5-2部分:光电子器件 基本额定值和特性 |
China National Standards CT |
English PDF |
| GB/T 12113-2003 |
Methods of measurement of touch current and proteCTive conductor current 接触电流和保护导体电流的测量方法 |
China National Standards CT |
English PDF |
| GB/T 7920.5-2003 |
Earth-moving machinery--Rollers and landfill compaCTors--Terminology and commercial specification 土方机械 压路机和回填压实机 术语和商业规格 |
China National Standards CT |
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 CT |
English PDF |
| GB/T 19400-2003 |
Industrial robots--ObjeCT handling grasp-type grippers--Vocabulary and presentation of characteristics 工业机器人 抓握型夹持器物体搬运 词汇和特性表示 |
China National Standards CT |
English PDF |
| GB 7667-2003 |
The dose of X-rays leakage from eleCTron microscope 电子显微镜X射线泄漏剂量 |
China National Standards CT |
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 CT |
English PDF |
| GB/T 12690.8-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of sodium content--Flame atomic absorption speCTrometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 钠量的测定 火焰原子吸收光谱法 |
China National Standards CT |
English PDF |
| GB/T 12690.7-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of silicon content--Molybdenum blue speCTrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 硅量的测定 钼蓝分光光度法 |
China National Standards CT |
English PDF |
| GB/T 12690.6-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate，1，10-phenanthroline speCTrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 铁量的测定 硫氰酸钾、1，10-二氮杂菲分光光度法 |
China National Standards CT |
English PDF |
| GB/T 12690.5-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by induCTively coupled plasma atomic emission spectrographic method--Determination of Co、M 稀土金属及其氧化物中非稀土杂质化学分析方法 铝、铬、锰、铁、钴、镍、铜、锌、铅的测定 电感耦合等离子体发射光谱法(方法1) 钴、锰、铅、镍、铜、锌、铝、铬的测定 电感耦合等离子 |
China National Standards CT |
English PDF |
| GB/T 12690.4-2003 |
Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conduCTance absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法 |
China National Standards CT |
English PDF |
| GB/T 12690.13-2003 |
Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--InduCT-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum 稀土金属及其氧化物中非稀土杂质化学分析方法 钼、钨量的测定 电感耦合等离子体发射光谱法和电感耦合等离子体质谱法 |
China National Standards CT |
English PDF |
| GB/T 12690.12-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III speCTrophotometric method and inductively coupled plasma mass spectrum method 稀土金属及其氧化物中非稀土杂质化学分析方法 钍量的测定 偶氮胂III分光光度法和电感耦合等离子体质谱法 |
China National Standards CT |
English PDF |
| GB/T 12690.11-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspeCTrometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 镁量的测定 火焰原子吸收光谱法 |
China National Standards CT |
English PDF |
| GB/T 12690.10-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue speCTrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 磷量的测定 钼蓝分光光度法 |
China National Standards CT |
English PDF |
| GB/T 8606-2003 |
Thread conneCTiong dimensions andspecifications of hydraulic fluid power--Quick action couplings 液压快换接头 螺纹连接尺寸及技术要求 |
China National Standards CT |
English PDF |
| GB/T 5861-2003 |
Hydraulic fluid power--Quick aCTion couplings--Test methods 液压快换接头 试验方法 |
China National Standards CT |
English PDF |
| GB/T 5860-2003 |
Hydraulic fluid power--Quick aCTion couplings--Dimensions and requirements 液压快换接头 尺寸和要求 |
China National Standards CT |
English PDF |
| GB/T 5291.2-2003 |
Die sinking eleCTro-discharge machines(EDM)----Testin of accuracy----Part 2:Two column machines(Slide-head type and cross-slide table type) 电火花成形机 精度检验 第2部分:双立柱机床(移动主轴头型和十字工作台型) |
China National Standards CT |
English PDF |
| GB/T 5290.2-2003 |
Die sinking eleCTro-discharge machines(EDM)----Parameters----Part 2:Two column machines (Slide-head type and cross slide table type) 电火花成形机 参数 第2部分:双立柱机床 (移动主轴头型和十字工作台型) |
China National Standards CT |
English PDF |
| GB/T 19361-2003 |
Wire eleCTrical-discharge machines(Unidirectional traveling type)--Testing of the accuracy 电火花线切割机(单向走丝型) 精度检验 |
China National Standards CT |
English PDF |
| GB/T 14828-2003 |
Test method for measuring traCTion performance of agricultural tyres 农业轮胎牵引性能试验方法 |
China National Standards CT |
English PDF |
| GB/T 6850-2003 |
Cinematography--Labelling of containers for raw-stock motion-piCTure films and magnetic films--Minimum information specifications 电影 电影生胶片和涂磁胶片片盒标签 最低限度内容规定 |
China National Standards CT |
English PDF |
| GB/T 19386.1-2003 |
Textile machinery and accessories--Packages of yarns and intermediate produCTs--Part 1:Terminology 纺织机械与附件 纱线和中间产品的卷装 第1部分:术语 |
China National Standards CT |
English PDF |
| GB/T 19385.2-2003 |
Textile machinery and accessories--Heald frames--Part 2:Heald-carrying rod fixed direCTly on the frame stave--Coordinated dimensions 纺织机械与附件 综框 第2部分:穿综杆直接固定于综框横梁 相关尺寸 |
China National Standards CT |
English PDF |
| GB/T 19369-2003 |
Turfgrass sod produCTion standard 草皮生产技术规程 |
China National Standards CT |
English PDF |
| GB/T 19368-2003 |
Turfgrass seed produCTion standard 草坪草种子生产技术规程 |
China National Standards CT |
English PDF |
| GB/T 18737.4-2003 |
Textile machinery and accessories--Beams for winding--Part 4:Quality classification of flanges for Weaver’s beams，warper’s beams and seCTional beams 纺织机械与附件 经轴 第4部分:织轴、整经轴和分段整经轴边盘的质量等级 |
China National Standards CT |
English PDF |
| GB/T 13885-2003 |
Animal feeding stuffs--Determination of thecontents of calcium，copper，iron，magnesium，manganese，potassium，sodium and zinc--Method using atomic absorption speCTrometry 动物饲料中钙、铜、铁、镁、锰、钾、钠和锌含量的测定 原子吸收光谱法 |
China National Standards CT |
English PDF |
| GB 50342-2003 |
Technical code for concrete struCTure of TV tower 混凝土电视塔结构技术规范 |
China National Standards CT |
English PDF |
| GB/T 4104-2003 |
Leucoscopic method for testing whiteness of zinc oxide made by direCT process 直接法氧化锌白度(颜色)检验方法 |
China National Standards CT |
English PDF |
| GB/T 4957-2003 |
Non-conduCTive coatings on non-magnetic basis metals--Measurement of coating thickness--Eddy current 非磁性基体金属上非导电覆盖层 覆盖层厚度测量 涡流法 |
China National Standards CT |
English PDF |
| GB/T 19355-2003 |
ProteCTion against corrosion ofiron and steel in structures--Zinc and aluminum coatings--Guidelines 钢铁结构耐腐蚀防护 锌和铝覆盖层 指南 |
China National Standards CT |
English PDF |
| GB/T 19354-2003 |
Vitreous and porcelain enamels for aluminium--Determination of the adhesion of enamels on aluminium under the aCTion of electrolytic solution (spall test) 铝搪瓷 在电解液作用下铝上瓷层密着性的测定(剥落试验) |
China National Standards CT |
English PDF |
| GB/T 19352.4-2003 |
Thermal spraying--Quality requirements of thermally sprayed struCTures--Part 4:Elementary quality requirements 热喷涂 热喷涂结构的质量要求 第4部分:基本的质量要求 |
China National Standards CT |
English PDF |
| GB/T 19352.3-2003 |
Thermal spraying--Quality requirements of thermally sprayed struCTures--Part 3:Standard qualityrequirements 热喷涂 热喷涂结构的质量要求 第3部分:标准的质量要求 |
China National Standards CT |
English PDF |
| GB/T 19352.2-2003 |
Thermal spraying--Quality requirements of thermally sprayed struCTures--Part 2:Comprehensive quality requirements 热喷涂 热喷涂结构的质量要求 第2部分:全面的质量要求 |
China National Standards CT |
English PDF |
| GB/T 19352.1-2003 |
Thermal spraying--Quality requirements of thermally sprayed struCTures--Part 1:Guidance for selection and use 热喷涂 热喷涂结构的质量要求 第1部分:选择和使用指南 |
China National Standards CT |
English PDF |
| GB/T 19348.2-2003 |
Non-destruCTive testing--Industrial radiographic films--Part 2:Control of film processing by means of reference values 无损检测 工业射线照相胶片 第2部分:用参考值方法控制胶片处理 |
China National Standards CT |
English PDF |
| GB 50005-2003 |
Code for design of timber struCTures 木结构设计规范(2005年版) |
China National Standards CT |
English PDF |
| GB/T 7973-2003 |
Paper，board and pulps--Measurement of diffuse refleCTance factor(Diff/Geometry) 纸、纸板和纸浆 漫反射因数的测定(漫射／垂直法) |
China National Standards CT |
English PDF |
| GB 7969-2003 |
EleCTric power cable paper 电力电缆纸 |
China National Standards CT |
English PDF |
| GB 19335-2003 |
Blood flow produCTs for single use--General specification 一次性使用血路产品 通用技术条件 |
China National Standards CT |
English PDF |
| GB/T 6681-2003 |
General rules for sampling gaseous chemical produCTs 气体化工产品采样通则 |
China National Standards CT |
English PDF |
| GB/T 6680-2003 |
General rules for sampling liquid chemical produCTs 液体化工产品采样通则 |
China National Standards CT |
English PDF |
| GB/T 6679-2003 |
General rules for sampling solid chemical produCTs 固体化工产品采样通则 |
China National Standards CT |
English PDF |
| GB/T 6678-2003 |
General principles for sampling chemical produCTs 化工产品采样总则 |
China National Standards CT |
English PDF |
| GB/T 19343-2003 |
Chocolate and chocolate produCTs 巧克力及巧克力制品 |
China National Standards CT |
English PDF |
| GB/T 12000-2003 |
Determination of the effeCTs of exposure to damp heat，water spray and salt mist for plastics 塑料暴露于湿热、水喷雾和盐雾中影响的测定 |
China National Standards CT |
English PDF |
| GB 9706.2-2003 |
Medical eleCTrical equipment--Part 2-16: Particular requirements for the safety of haemodialysis，haemodiafiltration and haemofiltration equipment 医用电气设备 第2-16部分:血液透析、血液透析滤过和血液滤过设备的安全专用要求 |
China National Standards CT |
English PDF |
| GB 19337-2003 |
AbameCTin emulsifiable concentrates 阿维菌素乳油 |
China National Standards CT |
English PDF |
| GB 19336-2003 |
AbameCTin technical 阿维菌素原药 |
China National Standards CT |
English PDF |
| GB 15210-2003 |
General specification for walk-through metal deteCTor 通过式金属探测门通用技术规范 |
China National Standards CT |
English PDF |
| GB 12899-2003 |
General specification for hand-held metal deteCTor 手持式金属探测器通用技术规范 |
China National Standards CT |
English PDF |
| GB 12651-2003 |
Standard permissible limits of lead and cadmium release from ceramic ware in contaCT with food 与食物接触的陶瓷制品铅、镉溶出量允许极限 |
China National Standards CT |
English PDF |
| GB/T 6554-2003 |
Resin based reaCTive compounds used for electrical insulation--Part 2:Methods of test--Methods for coating pourders for electrical purposes 电气绝缘用树脂基反应复合物 第2部分:试验方法 电气用涂敷粉末方法 |
China National Standards CT |
English PDF |
| GB/T 19334-2003 |
Dimension of low-voltage switchgear and controlgear--Standardized mounting on rails for mechanical support of eleCTrical devices in switchgear andcontrolgear installations 低压开关设备和控制设备的尺寸 在成套开关设备和控制设备中作电器机械支承的标准安装轨 |
China National Standards CT |
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 CT |
English PDF |
| GB/T 11026.1-2003 |
EleCTrical insulating materials--Properties of thermal endurance--Part 1:Ageing procedures andevaluation of test results 电气绝缘材料 耐热性 第1部分:老化程序和试验结果的评定 |
China National Standards CT |
English PDF |
| GB/T 2492-2003 |
Bonded abrasive produCTs--Permissible unbalances of grinding wheels as delivered--Testing 普通磨具 交付砂轮允许的不平衡量 测量 |
China National Standards CT |
English PDF |
| GB/T 19324-2003 |
Coated abrasives--Plain sheets with holes for dust extraCTion 涂附磨具 带除尘孔砂页 |
China National Standards CT |
English PDF |
| GB/T 19323-2003 |
Coated abrasives--Plain discs with holes for dust extraCTion 涂附磨具 带除尘孔砂盘 |
China National Standards CT |
English PDF |
| GB/T 19314.1-2003 |
Small craft--Hull construCTion and scantlings--Part 1: Materials: Thermosetting resins，glass-fibre reinforcement，reference laminate 小艇 艇体结构和构件尺寸 第1部分:材料:热固性树脂、玻璃纤维增强塑料、基准层合板 |
China National Standards CT |
English PDF |
| GB/T 19313-2003 |
Small craft--Start-in-gear proteCTion 小艇 起动运行保护 |
China National Standards CT |
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 CT |
English PDF |
| GB/T 19294-2003 |
Specification for technological projeCT of aerialphotography 航空摄影技术设计规范 |
China National Standards CT |
English PDF |
| GB 16321-2003 |
Hygienic standard for laCTobacillus beverage 乳酸菌饮料卫生标准 |
China National Standards CT |
English PDF |
| GB 8956-2003 |
Good manufaCTuring practice for candied fruit factory 蜜饯企业良好生产规范 |
China National Standards CT |
English PDF |
| GB 2749-2003 |
Hygienic standard for egg produCTs 蛋制品卫生标准 |
China National Standards CT |
English PDF |
| GB 2711-2003 |
Hygienic standard for non-fermented beanproduCTs and gluten 非发酵性豆制品及面筋卫生标准 |
China National Standards CT |
English PDF |
| GB 19304-2003 |
Hygienic specifications of faCTory for packing drinking water 定型包装饮料用水企业生产卫生规范 |
China National Standards CT |
English PDF |
| GB 19303-2003 |
Hygienic praCTice of cooked meat and meat-products factory 熟肉制品企业生产卫生规范 |
China National Standards CT |
English PDF |
| GB 12695-2003 |
Good manufaCTuring practice of drink factory 饮料企业良好生产规范 |
China National Standards CT |
English PDF |
| GB/T 8320-2003 |
Copper-tungsten and silver-tungsten eleCTrical contacts 铜钨及银钨电触头 |
China National Standards CT |
English PDF |
| GB/T 5587-2003 |
Basic shapes，dimensions，symbolsand notations of silver based eleCTrical contacts 银基电触头基本形状、尺寸、符号及标注 |
China National Standards CT |
English PDF |
| GB/T 19290.2-2003 |
Modular order for the development of mechanical struCTures for electronic equipment practices--Part 2: Sectional specification--Interface co-ordination dimensions for the 25mm equipment practice 发展中的电子设备构体机械结构模数序列 第2部分: 分规范 25 mm设备构体的接口协调尺寸 |
China National Standards CT |
English PDF |
| GB/T 19290.1-2003 |
Modular order for the development of mechanical struCTures for electronic equipment practices--Part 1: Generic standard 发展中的电子设备构体机械结构模数序列 第1部分:总规范 |
China National Standards CT |
English PDF |
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