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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 19449.4-2013 |
Hollow taper interface with flange contact surface―Part 4: Dimensions of receivers for stationary tools 带有法兰接触面的空心圆锥接口 第4部分：用于非旋转类工具 安装孔的尺寸 |
China National Standards contact |
 English PDF |
| GB/T 19449.3-2013 |
Hollow taper interface with flange contact surface― Part 3: Dimensions of shanks for stationary tools 带有法兰接触面的空心圆锥接口 第3部分：用于非旋转类工具 柄的尺寸 |
China National Standards contact |
English PDF |
| GB/T 29896-2013 |
Method of determining the leachability of wood preservatives from treated wood in soil contact 接触土壤防腐木材的防腐剂流失率测定方法 |
China National Standards contact |
English PDF |
| GB/T 2423.19-2013 |
Environmental testing - Part 2: Test methods - Test Kc: Sulphur dioxide test for contacts and connections 环境试验 第2部分：试验方法 试验Kc：接触点和连接件的二氧化硫试验 |
China National Standards contact |
English PDF |
| GB/T 2424.11-2013 |
Environmental testing - Part 2: Test methods - Guidance to test Kc: Sulphur dioxide test for contacts and connections 环境试验 第2部分：试验方法 试验Kc：接触点和连接件的二氧化硫试验导则 |
China National Standards contact |
English PDF |
| GB 30000.13-2013 |
Rules for classification and labelling of chemicals - Part 13: Substances and mixtures which, in contact with water, emit flammable gases 化学品分类和标签规范 第13部分：遇水放出易燃气体的物质和混合物 |
China National Standards contact |
English PDF |
| GB/T 4604.2-2013 |
Rolling bearings - Internal clearance - Part 2: Axial internal clearance for four-point-contact ball bearings 滚动轴承 游隙 第2部分：四点接触球轴承的轴向游隙 |
China National Standards contact |
English PDF |
| GB/T 29507-2013 |
Test method for measuring flatness, thickness and total thickness variation on silicon wafers by automated non-contact scanning 硅片平整度、厚度及总厚度变化测试 自动非接触扫描法 |
China National Standards contact |
English PDF |
| GB 11417.3-2012 |
Ophthalmic optics - contact lenses - Part 3：Soft contact lenses 眼科光学 接触镜 第3部分：软性接触镜 |
China National Standards contact |
English PDF |
| GB 11417.2-2012 |
Ophthalmic optics - contact lenses - Part 2: Rigid contact lenses specification 眼科光学 接触镜 第2部分：硬性接触镜 |
China National Standards contact |
English PDF |
| GB/T 11417.9-2012 |
Ophthalmic optics - contact lenses - Part 9: Ageing by exposure to UV and visible radiation (in vitro method) 眼科光学 接触镜 第9部分：紫外和可见光辐射老化试验（体外法） |
China National Standards contact |
English PDF |
| GB/T 11417.8-2012 |
Ophthalmic optics-contact lenses - Part 8: Determination of shelf-life 眼科光学 接触镜 第8部分：有效期的确定 |
China National Standards contact |
English PDF |
| GB/T 11417.7-2012 |
Ophthalmic optics - contact lenses - Part 7: Physicochemical properties test methods 眼科光学 接触镜 第7部分: 理化性能试验方法 |
China National Standards contact |
English PDF |
| GB/T 11417.6-2012 |
Ophthalmic optics - contact lenses - Part 6: Mechanical properties test methods 眼科光学 接触镜 第6部分：机械性能试验方法 |
China National Standards contact |
English PDF |
| GB/T 11417.5-2012 |
Ophthalmic optics - contact lenses - Part 5: Testing methods for optical properties 眼科光学 接触镜 第5部分: 光学性能试验方法 |
China National Standards contact |
English PDF |
| GB/T 11417.4-2012 |
Ophthalmic optics - contact lenses - Part 4 ：Saline solution for contact lens testing 眼科光学 接触镜 第4部分：试验用标准盐溶液 |
China National Standards contact |
English PDF |
| GB/T 11417.1-2012 |
Ophthalmic optics - contact lenses - Part 1: Vocabulary, classification system and recommendations for labeling specifications 眼科光学 接触镜 第1部分：词汇、分类和推荐的标识规范 |
China National Standards contact |
English PDF |
| GB/T 16608.55-2012 |
Electromechanical all-or-nothing relays - Part 55: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 11mm×7,5mm (max)base 有或无机电继电器 第55部分：空白详细规范 电信用有质量评定的有或无机电继电器 两组转换触点，11mm×7.5mm(最大)底座 |
China National Standards contact |
English PDF |
| GB/T 16608.54-2012 |
Electromechanical all-or-nothing relays - Part 54: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 15mm×7,5mm base 有或无机电继电器 第54部分：空白详细规范 电信用有质量评定的有或无机电继电器 两组转换触点，15mm×7.5mm底座 |
China National Standards contact |
English PDF |
| GB/T 16608.53-2012 |
Electromechanical all-or-nothing relays - Part 53: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 14mm×9mm base 有或无机电继电器 第53部分：空白详细规范 电信用有质量评定的有或无机电继电器 两组转换触点，14mm×9mm底座 |
China National Standards contact |
English PDF |
| GB/T 16608.52-2012 |
Electromechanical all-or-nothing relays - Part 52: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 20mm×10mm base 有或无机电继电器 第52部分：空白详细规范 电信用有质量评定的有或无机电继电器 两组转换触点，20mm×10mm底座 |
China National Standards contact |
English PDF |
| GB/T 28539-2012 |
Ophthalmic optics - contact lenses and contact lens care products - Guidelines for determination of preservative uptake and release 眼科光学 接触镜和接触镜护理产品 防腐剂的摄入和释放的测定指南 |
China National Standards contact |
English PDF |
| GB/T 28538-2012 |
Ophthalmic optics?contact lenses and contact lenses care products - Determination of biocompatibility by ocular study with rabbit eyes 眼科光学 接触镜和接触镜护理产品 兔眼相容性研究试验 |
China National Standards contact |
English PDF |
| GB/T 27797.2-2011 |
Fibre-reinforced plastics - Methods of producing test plates - Part 2: contact and spray-up moulding 纤维增强塑料 试验板制备方法 第2部分：接触和喷射模塑 |
China National Standards contact |
English PDF |
| GB/T 27751-2011 |
Specification for AgNiC contact 银镍石墨电触头技术条件 |
China National Standards contact |
English PDF |
| GB/T 13484-2011 |
Enamelled ware in contact with food 接触食物搪瓷制品 |
China National Standards contact |
English PDF |
| GB/T 26872-2011 |
Metallographic atlas of electrical contact materials 电触头材料金相图谱 |
China National Standards contact |
English PDF |
| GB/T 26871-2011 |
Metallographic examination of electrical contact materials 电触头材料金相试验方法 |
China National Standards contact |
English PDF |
| GB/T 26867-2011 |
Specification for CuCr electrical contact 铜铬电触头技术条件 |
China National Standards contact |
English PDF |
| GB/T 26129-2010 |
contact-type transmitter-receiver headset for fireman 消防员接触式送受话器 |
China National Standards contact |
English PDF |
| GB/T 26068-2010 |
Test method for carrier recombination lifetime in silicon wafers by non-contact measurement of photoconductivity decay by microwave reflectance 硅片载流子复合寿命的无接触微波反射光电导衰减测试方法 |
China National Standards contact |
English PDF |
| GB/T 26010-2010 |
Ag-Ni-RE electrical contact materials 电接触银镍稀土材料 |
China National Standards contact |
English PDF |
| GB/T 25761-2010 |
Rolling bearings - Combined needle roller bearings with angular contact ball bearings - Boundary dimensions 滚动轴承 滚针和角接触球组合轴承 外形尺寸 |
China National Standards contact |
English PDF |
| GB/T 22351.2-2010 |
Identification cards - contactless integrated circuit(s) cards - Vicinity cards - Part2: Air interface and initialization 识别卡 无触点的集成电路卡 邻近式卡 第2部分：空中接口和初始化 |
China National Standards contact |
English PDF |
| GB/T 16649.12-2010 |
Identification cards - Integrated circuit cards - Part 12: Cards with contacts - USB electrical interface and operating procedures 识别卡 集成电路卡 第12部分：带触点的卡-USB电气接口和操作规程 |
China National Standards contact |
English PDF |
| GB 14048.4-2010 |
Low-voltage switchgear and controlgear - Part 4-1: contactors and motor-starters - Electromechanical contactors and motor-starters (Including motor protector) 低压开关设备和控制设备 第4-1部分：接触器和电动机起动器 机电式接触器和电动机起动器（含电动机保护器） |
China National Standards contact |
English PDF |
| GB/T 25020.4-2010 |
Steel pole for overhead contact system of electrified railway - Part 4：H section pole 电气化铁路接触网钢支柱 第4部分：H形支柱 |
China National Standards contact |
English PDF |
| GB/T 25020.3-2010 |
Steel pole for overhead contact system of electrified railway - Part 3：Steel tube pole 电气化铁路接触网钢支柱 第3部分：环形钢管支柱 |
China National Standards contact |
English PDF |
| GB/T 25020.2-2010 |
Steel pole for overhead contact system of electrified railway - Part 2：Square shape tube steel pole 电气化铁路接触网钢支柱 第2部分：方形钢管支柱 |
China National Standards contact |
English PDF |
| GB/T 25020.1-2010 |
Steel pole for overhead contact system of electrified railway - Part 1：Lattice pole 电气化铁路接触网钢支柱 第1部分：格构式支柱 |
China National Standards contact |
English PDF |
| GB/T 24975.4-2010 |
Guide of environmental design for low-voltage apparatus - Part 4: contact 低压电器环境设计导则 第4部分：接触器 |
China National Standards contact |
English PDF |
| GB/T 24604-2009 |
Rolling bearings - Angular contact thrust ball bearings used for machine tool 滚动轴承 机床丝杠用推力角接触球轴承 |
China National Standards contact |
English PDF |
| GB/T 6620-2009 |
Test method for measuring warp on silicon slices by noncontact scanning 硅片翘曲度非接触式测试方法 |
China National Standards contact |
English PDF |
| GB/T 6616-2009 |
Test methods for measuring resistivity of semiconductor wafers or sheet resistance of semiconductor films with a noncontact eddy-current gauge 半导体硅片电阻率及硅薄膜薄层电阻测试方法 非接触涡流法 |
China National Standards contact |
English PDF |
| GB 17885-2009 |
Electromechanical contactors for household and similar purposes 家用及类似用途机电式接触器 |
China National Standards contact |
English PDF |
| GB/T 24300-2009 |
Test method of flaws of Cu-W contact 铜钨电触头缺陷检测方法 |
China National Standards contact |
English PDF |
| GB/T 24368-2009 |
Test method for hydrophobic contamination on glass by contact angle measurement 玻璃表面疏水污染物检测 接触角测量法 |
China National Standards contact |
English PDF |
| GB/T 24273-2009 |
Test method for electrical properties of electrical contact materials 电触头材料电性能试验方法 |
China National Standards contact |
English PDF |
| GB/T 24269-2009 |
Specification for CuCrFe electric contact material 铜铬铁电触头技术条件 |
China National Standards contact |
English PDF |
| GB/T 24268-2009 |
Test methods for chemical analysis of silver-tin oxide electric contact material 银氧化锡电触头材料化学分析方法 |
China National Standards contact |
English PDF |
| GB/T 23994-2009 |
Limit of certain harmful elements of coatings for consumer products contacting with human body 与人体接触的消费产品用涂料中特定有害元素限量 |
China National Standards contact |
English PDF |
| GB/T 23908-2009 |
Non-destructive testing - Practice for ultrasonic pulse-echo straight-beam testing by the contact method 无损检测 接触式超声脉冲回波直射检测方法 |
China National Standards contact |
English PDF |
| GB 23820-2009 |
Safety of machinery - Lubricants with incidental product contact - Hygiene requirements 机械安全 偶然与产品接触的润滑剂 卫生要求 |
China National Standards contact |
English PDF |
| GB/T 23296.25-2009 |
Food contact materials - Polymer - Determination of 1,3-benzenedimethanamine in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中1，3-苯二甲胺的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.24-2009 |
Food contact materials - Polymer - Determination of 1,2-dihydroxybenzene,1,3-dihydroxybenzene,1,4-dihydroxybenzene,4,4’-dihydroxybenzophenone and 4,4’dihydroxybiphenyl in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中1,2-苯二酚、1,3-苯二酚、1,4-苯二酚、4,4’-二羟二苯甲酮、4,4'-二羟联苯的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.23-2009 |
Food contact materials - Polymer - Determination of 1,1,1-trimethylolpropane in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中1,1,1-三甲醇丙烷的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.9-2009 |
Food contact materials - Polymer - Determination of acrylamide in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中丙烯酰胺的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.8-2009 |
Food contact materials - Polymer - Determination of acrylonitrile in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中丙烯腈的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.7-2009 |
Food contact materials - Determination of epichlorohydrin in plastics - High performance liquid chromatography 食品接触材料 塑料中表氯醇含量的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.6-2009 |
Food contact materials - Polymer - Determination of 4-methyl-1-pentene in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中4-甲基-1-戊烯的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.5-2009 |
Food contact materials - Polymer - Determination of dimethylaminoethanol in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中2-(N,N-二甲基氨基)乙醇的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.4-2009 |
Food contact materials - Polymer - Determination of 1-octene and tetrahydrofuran in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中1-辛烯和四氢呋喃的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.3-2009 |
Food contact materials - Determination of 1,3-butadiene in plastics - Gas chromatography 食品接触材料 塑料中1,3-丁二烯含量的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.26-2009 |
Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry 食品接触材料 高分子材料 食品模拟物中甲醛和六亚甲基四胺的测定 分光光度法 |
China National Standards contact |
English PDF |
| GB/T 23296.22-2009 |
Food contact materials - Determination of isocyanates in plastics - High performance liquid chromatography 食品接触材料 塑料中异氰酸酯含量的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.2-2009 |
Food contact materials - Polymer - Determination of 1,3-butadiene in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中1,3-丁二烯的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.21-2009 |
Food contact materials - Polymer - Determination of maleic acid and maleic anhydride in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中顺丁烯二酸及顺丁烯二酸酐的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.20-2009 |
Food contact materials - Polymer - Determination of caprolactam and caprolactam salt in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中己内酰胺及己内酰胺盐的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.19-2009 |
Food contact materials - Polymer - Determination of vinyl acetate in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中乙酸乙烯酯的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.18-2009 |
Food contact materials - Polymer - Determination of monoethylene glycol and diethylene glycol in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中乙二醇与二甘醇的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.17-2009 |
Food contact materials - Polymer - Determination of 1,2-diaminoethane and 1,6-diaminohexane in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中乙二胺与己二胺的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.16-2009 |
Food contact materials - Polymer - Determination of 2,2-bis(4-hydroxyphenyl)propane（bisphenol A ）in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中2，2-二（4-羟基苯基）丙烷（双酚A）的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.15-2009 |
Food contact materials - Polymer - Determination of 2,4,6-triamino-1,3,5-triazine（melamine）in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中2，4，6-三氨基-1，3，5-三嗪（三聚氰胺）的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.14-2009 |
Food contact materials - Polymer - Determination of vinyl chloride in food simulants - Gas chromatography 食品接触材料 高分子材料 食品模拟物中氯乙烯的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.13-2009 |
Food contact materials - Determination of vinyl chloride monomer in plastics - Gas chromatography 食品接触材料 塑料中氯乙烯单体的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.12-2009 |
Food contact materials - Polymer - Determination of 11-aminoundecanoic acid in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中11-氨基十一酸的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.1-2009 |
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Guide to test methods for the specific migration of substances from plastics to foods and food simulants and the determination of substances in plastics and th 食品接触材料 塑料中受限物质 塑料中物质向食品及食品模拟物特定迁移试验和含量测定方法以及食品模拟物暴露条件选择的指南 |
China National Standards contact |
English PDF |
| GB/T 23296.11-2009 |
Food contact materials - Determination of ethylene oxide and propylene oxide in plastics - Gas chromatography 食品接触材料 塑料中环氧乙烷和环氧丙烷含量的测定 气相色谱法 |
China National Standards contact |
English PDF |
| GB/T 23296.10-2009 |
Food contact materials - Polymer - Determination of terephthalic acid in food simulants - High performance liquid chromatography 食品接触材料 高分子材料 食品模拟物中对苯二甲酸的测定 高效液相色谱法 |
China National Standards contact |
English PDF |
| GB/T 6062-2009 |
Geometrical product specifications (GPS) - Surface texture: Profile method - Nominal characteristic of contact(stylus) instruments 产品几何技术规范（GPS） 表面结构 轮廓法 接触(触针)式仪器的标称特性 |
China National Standards contact |
English PDF |
| GB/T 14048.17-2008 |
Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Methord of assessing the performance of low-energy contacts - Special tests 低压开关设备和控制设备 第5-4部分：控制电路电器和开关元件 小容量触头的性能评定方法 特殊试验 |
China National Standards contact |
English PDF |
| GB/T 22351.3-2008 |
Identification cards - contactless integrated circuit(s) IC cards - Vicinity cards - Part 3: Anticollision and transmission protocol 识别卡 无触点的集成电路卡 邻近式卡 第3部分：防冲突和传输协议 |
China National Standards contact |
English PDF |
| GB/T 22351.1-2008 |
Identification cards - contactless integrated circuit(s) cards - Vicinity cards - Part 1: Physical characteristics 识别卡 无触点的集成电路卡 邻近式卡 第1部分：物理特性 |
China National Standards contact |
English PDF |
| GB/T 2407-2008 |
Plastics - Determination of flammability characteristics of rigid plastics in the form of small specimens in contact with an incandescent rod 塑料 硬质塑料小试样与炽热棒接触时燃烧特性的测定 |
China National Standards contact |
English PDF |
| GB/T 11344-2008 |
Non-destructive testing - Practice for measuring thickness by ultrasonic pulse-echo contact method 无损检测 接触式超声脉冲回波法测厚方法 |
China National Standards contact |
English PDF |
| GB/T 9952-2008 |
Information technology - Data comunication - 15-pole DTE/DCE interface connector and contact number assignment 信息技术 数据通信 15插针DTE/DCE接口连接器和接触件编号分配 |
China National Standards contact |
English PDF |
| GB/T 9951-2008 |
Information technology - Telecommunication and information exchange between systems - 34 pin DTE/DCE interface connector mateability dimensions and contact number assignments 信息技术 系统间远程通信和信息交换 34插针DTE/DCE接口连接器的配合性尺寸和接触件编号分配 |
China National Standards contact |
English PDF |
| GB/T 9950-2008 |
Information technology - Data communication - 37-pole DTE/DCE interface connector and contact number assignments 信息技术 数据通信 37插针DTE/DCE接口连接器和接触件编号分配 |
China National Standards contact |
English PDF |
| GB/Z 22201-2008 |
Reliability test method for contactor relay 接触器式继电器可靠性试验方法 |
China National Standards contact |
English PDF |
| GB/Z 22200-2008 |
Reliability test method for lower capacity alternating current contactors 小容量交流接触器可靠性试验方法 |
China National Standards contact |
English PDF |
| GB/T 17393-2008 |
Specification for thermal insulation for use in contact with austenitic stainless steel 覆盖奥氏体不锈钢用绝热材料规范 |
China National Standards contact |
English PDF |
| GB/T 12971.2-2008 |
Trolley and contact wires for electric traction - Part 2: Aluminium and steel composite trolley and contact wires 电力牵引用接触线 第2部分: 钢、铝复合接触线 |
China National Standards contact |
English PDF |
| GB/T 12971.1-2008 |
Trolley and contact wires for electric traction - Part 1: Copper and copper-alloy contact wires 电力牵引用接触线 第1部分: 铜及铜合金接触线 |
China National Standards contact |
English PDF |
| GB/T 11030-2008 |
Characteristics of rod ceramic insulators for a.c. contact system of electrified railways 交流电气化铁路接触网用棒形瓷绝缘子特性 |
China National Standards contact |
English PDF |
| GB/T 22038-2008 |
Method of automobile tyre static contact pressure distribution 汽车轮胎静态接地压力分布试验方法 |
China National Standards contact |
English PDF |
| GB/T 11343-2008 |
Non-destructive testing - Practice for ultrasonic angle-beam testing by the contact method 无损检测 接触式超声斜射检测方法 |
China National Standards contact |
English PDF |
| GB/T 21813-2008 |
Chemicals - Honeybees acute contact toxicity test 化学品 蜜蜂急性接触性毒性试验 |
China National Standards contact |
English PDF |
| GB/T 13397-2008 |
Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method 合金内氧化法银金属氧化物电触头技术条件 |
China National Standards contact |
English PDF |
| GB/T 12940-2008 |
Technical specification for silver-graphite electrical contacts 银石墨电触头技术条件 |
China National Standards contact |
English PDF |
| GB 21518-2008 |
Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors 交流接触器能效限定值及能效等级 |
China National Standards contact |
English PDF |
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