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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.
  •  China "IO" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 12496.7-1999 Test methods of wooden activated carbon--DeterminatIOn of pH
    木质活性炭试验方法 pH值的测定
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    GB/T 12496.6-1999 Test methods of wooden activated carbon--DeterminatIOn of abrasion resistance
    木质活性炭试验方法 强度的测定
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    GB/T 12496.5-1999 Test methods of wooden activated carbon--DeterminatIOn of carbon tetrechloride activity
    木质活性炭试验方法 四氯化碳吸附率(活性)的测定
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    GB/T 12496.4-1999 Test methods of wooden activated carbon--DeterminatIOn of moisture content
    木质活性炭试验方法 水分含量的测定
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    GB/T 12496.3-1999 Test methods of wooden activated carbon--DeterminatIOn of ash content
    木质活性炭试验方法 灰分含量的测定
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    GB/T 12496.22-1999 Test methods of wooden activated carbon--DeterminatIOn of heavy metals
    木质活性炭试验方法 重金属的测定
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    GB/T 12496.2-1999 Test methods of wooden activated carbon--DeterminatIOn of particle size distribution
    木质活性炭试验方法 粒度的测定
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    GB/T 12496.21-1999 Test methods of wooden activated carbon--DeterminatIOn of calcium and magnesium content
    木质活性炭试验方法 钙镁含量的测定
    China National Standards
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    GB/T 12496.20-1999 Test methods of wooden activated carbon--DeterminatIOn of zine content
    木质活性炭试验方法 锌含量的测定
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    GB/T 12496.19-2015 Test methods of wooden activated carbon—DeterminatIOn of iron content
    木质活性炭试验方法 铁含量的测定
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    GB/T 12496.18-1999 Test methods of wooden activated carbon--DeterminatIOn of acid-soluble substance
    木质活性炭试验方法 酸溶物的测定
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    GB/T 12496.17-1999 Test methods of wooden activated carbon--DeterminatIOn of sulphate
    木质活性炭试验方法 硫酸盐的测定
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    GB/T 12496.16-1999 Test methods of wooden activated carbon--DeterminatIOn of chloride content
    木质活性炭试验方法 氯化物的测定
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    GB/T 12496.15-1999 Test methods of wooden activated carbon--DeterminatIOn of sulphide
    木质活性炭试验方法 硫化物的测定
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    GB/T 12496.14-1999 Test methods of wooden activated carbon--DeterminatIOn of cyanide
    木质活性炭试验方法 氰化物的测定
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    GB/T 12496.13-1999 Test methods of wooden activated carbon--DeterminatIOn of uncarbonized substances
    木质活性炭试验方法 未炭化物的测定
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    GB/T 12496.12-1999 Test methods of wooden activated carbon--DeterminatIOn of phenol adsorption
    木质活性炭试验方法 苯酚吸附值的测定
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    GB/T 12496.1-1999 Test methods of wooden activated carbon--DeterminatIOn of apparent density
    木质活性炭试验方法 表观密度的测定
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    GB/T 12496.11-1999 Test methods of wooden activated carbon--DeterminatIOn of quinine sulpoate adsorption
    木质活性炭试验方法 硫酸奎宁吸附值的测定
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    GB/T 12496.10-1999 Test methods of wooden activated carbon--DeterminatIOn of methylene blue adsorption
    木质活性炭试验方法 亚甲基蓝吸附值的测定
    China National Standards
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    GB/T 12474-2008 Method of test for explosIOn limits of combustible gases in air
    空气中可燃气体爆炸极限测定方法
    China National Standards
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    GB/T 12472-2003 Geometrical Product SpecificatIOns(GPS)--Surface texture:Profile method--Surface roughness parameters and their values for wooden pieces
    产品几何量技术规范(GPS) 表面结构 轮廓法 木制件表面粗糙度参数及其数值
    China National Standards
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    GB/T 12471-2009 Geometrical product specificatIOns(GPS) - Wooden part - Limit and fit
    产品几何技术规范(GPS) 木制件 极限与配合
    China National Standards
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    GB/T 12467.5-2009 Quality requirements for fusIOn welding of metallic materials - Part 5: Standard documents need to conform to claim conformity to the quality requirements
    金属材料熔焊质量要求 第5部分:满足质量要求应依据的标准文件
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    GB/T 12467.4-2009 Quality reqirements for fusIOn welding of metallic materials - Part 4: Elementary quality requirements
    金属材料熔焊质量要求 第4部分:基本质量要求
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    GB/T 12467.3-2009 Quality reqirements for fusIOn welding of metallic materials - Part 3: Standard quality requirements
    金属材料熔焊质量要求 第3部分:一般质量要求
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    GB/T 12467.2-2009 Quality reqirements for fusIOn welding of metallic materials - Part 2: Comprehensive quality requirements
    金属材料熔焊质量要求 第2部分:完整质量要求
    China National Standards
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    GB/T 12467.1-2009 Quality reqirements for fusIOn welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements
    金属材料熔焊质量要求 第1部分:质量要求相应等级的选择准则
    China National Standards
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    GB/T 12466-1990 Terminology for corrosIOn and protection for ship and marine engineering
    船舶及海洋工程腐蚀与防护术语
    China National Standards
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    GB/T 12460-2006 ApplicatIOn formats for oceanographic data records
    海洋数据应用记录格式
    China National Standards
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    GB/T 12458-2003 Coupling--ClassficatIOn
    联轴器 分类
    China National Standards
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    GB/T 12457-2008 DeterminatIOn of sodium chloride in foods
    食品中氯化钠的测定
    China National Standards
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    GB/T 12456-2008 DeterminatIOn of total acid in foods
    食品中总酸的测定
    China National Standards
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    GB/T 12455-2010 The ratIOnality of electricity usage in guesthouse and hotel
    宾馆、饭店合理用电
    China National Standards
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    GB/T 12453-2008 InformatIOn technology - Open system interconnection - Transport service definition
    信息技术 开放系统互连 运输服务定义
    China National Standards
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    GB/T 12451-2001 Cataloguing in publicatIOn data in the book
    图书在版编目数据
    China National Standards
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    GB/T 12449-1990 Interface for using dedicated interconnectIOns between sound and television broadcasting transmitting equipment and supervisory equipment
    以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口
    China National Standards
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    GB/T 12443-2007 Metallic materials - TorsIOnal stress fatigue testing method
    金属材料 扭应力疲劳试验方法
    China National Standards
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    GB/T 12440-1990 Explosive--DeterminatIOn of brisance--Lead cylinder compression test
    炸药猛度试验 铅柱压缩法
    China National Standards
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    GB/T 12436-1990 Explosive--DeterminatIOn of power--Lead block method
    炸药作功能力试验 铅铸法
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    GB/T 1243-2006 Short-pitch transmissIOn precision roller and bush chains, attachments and associated chain sprockets
    传动用短节距精密滚子链、套筒链、附件和链轮
    China National Standards
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    GB/T 1242-2000 DimensIOns for panel mounted indicating and recording electrical measuring instruments
    安装式指示和记录电测量仪表的尺寸
    China National Standards
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    GB/T 12419-2005 ClassificatIOn,equipment and installation of highway inland container depot
    集装箱公路中转站级别划分、设备配备及建设要求
    China National Standards
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    GB/T 12416.2-1990 Glass--Hydrolytic resistance ofglass grains at 121℃--Test method and classificatIOn
    玻璃颗粒在 121℃耐水性的试验方法和分级
    China National Standards
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    GB/T 12415-2015 Pharmaceutical glass containers glassware stress examinatIOn methods
    药用玻璃容器内应力检验方法
    China National Standards
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    GB/T 12415-1990 Pharmaceutical glass containers--Stress examinatIOn--Test methods
    药用玻璃容器 内应力检验方法
    China National Standards
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    GB/T 12407-2008 Codes for positIOns classes
    职务级别代码
    China National Standards
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    GB/T 12406-2008 Codes for the representatIOn of currencies and funds
    表示货币和资金的代码
    China National Standards
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    GB/T 12405-2008 Coding for kind of increase or decrease number of workers in an organizatIOn
    单位增员减员代码
    China National Standards
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    GB/T 12404-1997 Coding for subordinatIOn of organization
    单位隶属关系代码
    China National Standards
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    GB/T 12403-1990 Names and codes for the officials positIOns
    干部职务名称代码
    China National Standards
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    GB/T 12402-2000 ClassificatIOn and code for economic categories
    经济类型分类与代码
    China National Standards
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    GB/T 12401-1990 SpecificatIOnof antenna (including feed network) and servo system used in domestic satellitecommunication earth stations
    国内卫星通信地球站天线(含馈源网络)和伺服系统设备技术要求
    China National Standards
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    GB/T 1239.3-2009 Cold coiled helical springs technical specifiatIOns - Part 3: Torsion spring
    冷卷圆柱螺旋弹簧技术条件 第3部分:扭转弹簧
    China National Standards
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    GB/T 1239.2-2009 Cold coiled helical springs technical specificatIOns - Part 2: Compressions spring
    冷卷圆柱螺旋弹簧技术条件 第2部分:压缩弹簧
    China National Standards
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    GB/T 1239.1-2009 Cold coiled helical springs technical specificatIOns - Part 1: Extension spring
    冷卷圆柱螺旋弹簧技术条件 第1部分:拉伸弹簧
    China National Standards
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    GB/T 12378-1990 Analytical method of microquantity uranium in air by spectropho to fluoremetry after extractIOn with TBP
    空气中微量铀的分析方法 TBP 萃取荧光法
    China National Standards
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    GB/T 12374-1990 Standard method for examinatIOn of nitrate in air of residential areas--Reduction of the cadmium column--Spectrophotometry of N-(1-naphthyl) ethylene diaminehydrochloride
    居住区大气中硝酸盐检验标准方法 镉柱还原-盐酸萘乙二胺分光光度法
    China National Standards
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    GB/T 12372-1990 Standard method for examinatIOn of nitrogen dioxide in air of residential areas--Modified Saltzman method
    居住区大气中二氧化氮检验标准方法 改进的 Saltzman 法
    China National Standards
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    GB/T 1237-2000 DesignatIOn system for fasteners
    紧固件标记方法
    China National Standards
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    GB/T 12371-1990 Bevel gears--InformatIOn of the dimensional data to be given on the drawing
    锥齿轮 图样上应注明的尺寸数据
    China National Standards
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    GB/T 12366-2009 Guideline for the work of complex standardizatIOn
    综合标准化工作指南
    China National Standards
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    GB/T 12365-1990 Technical parameters for short distance optical cable transmissIOn of broadcasting and television
    广播电视短程光缆传输技术参数
    China National Standards
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    GB/T 12364-2007 Networking technical requirement for the Domestic(GSO/FSS) satellite communicatIOn system
    国内卫星通信系统进网技术要求
    China National Standards
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    GB/T 12363-2005 ClassificatIOn of forging functions
    锻件功能分类
    China National Standards
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    GB/T 12361-2003 General specificatIOn of steel die forgings
    钢质模锻件 通用技术条件
    China National Standards
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    GB/T 12360-2005 Geometrical Product SpecificatIOns(GPS) Cone fit
    产品几何量技术规范(GPS) 圆锥配合
    China National Standards
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    GB/T 12357.4-2016 Multimode optical fibres for telcommunicatIOn—Part 4: Sectional specification for category A4 multimode fibres
    通信用多模光纤 第4部分:A4类多模光纤特性
    China National Standards
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    GB/T 12357.4-2004 Multimode optical fibres fortelecommunicatIOn--Part 4:Sectional specification for category A4 multimode fibres
    通信用多模光纤 第4部分:A4类多模光纤特性
    China National Standards
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    GB/T 12357.3-2004 Multimode optical fibres fortelecommunicatIOn--Part 3:Sectional specification for category A3 multimode fibres
    通信用多模光纤 第3部分:A3类多模光纤特性
    China National Standards
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    GB/T 12357.2-2004 Multimode optical fibres fortelecommunicatIOn--Part 2:Sectional specification for category A2 multimode fibres
    通信用多模光纤 第2部分:A2类多模光纤特性
    China National Standards
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    GB/T 12357.1-2015 Multimode optical fibres for telecommunicatIOn—Part 1: Sectional specification for category A1 multimode fibres
    通信用多模光纤 第1部分:A1类多模光纤特性
    China National Standards
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    GB/T 12355-2008 Micrographics - Splices of microfilm with image - DimensIOns and Operational Constraints
    缩微摄影技术 有影像缩微胶片的连接
    China National Standards
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    GB/T 12354-1990 Method of model designatIOn for the electronic computer peripheral equipment
    电子计算机外围设备型号命名方法
    China National Standards
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    GB/T 12346-2006 Nomenclature and locatIOn of acupuncture points
    腧穴名称与定位
    China National Standards
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    GB/T 12343.3-2009 CompilatIOn specifications for national fundamental scale maps - Part 3: Compilation specifications for 1:500 000 1:1 000 000 topographic maps
    国家基本比例尺地图编绘规范 第3部分:1:500 000 1:1 000 000地形图编绘规范
    China National Standards
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    GB/T 12343.2-2008 CompilatIOn specifications for national fundamental scale maps - Part 2: compilation specifications for 1:250 000 topographic maps
    国家基本比例尺地图编绘规范 第2部分:1:250 000地形图编绘规范
    China National Standards
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    GB/T 12343.1-2008 CompilatIOn specifications for national fundamental scale maps - Part 1:compilation specifications for 1:25 000 1:50 000 1:100 000 topographic maps
    国家基本比例尺地图编绘规范 第1部分: 1:25 000 1:50 000 1:100 000地形图编绘规范
    China National Standards
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    GB/T 12341-2008 SpecificatIOns for aerophotogrammetric field work of 1:25 000 1:50 000 1:100 000 topographic maps
    1:25 000 1:50 000 1:100 000 地形图航空摄影测量外业规范
    China National Standards
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    GB/T 12340-2008 SpecificatIOns for aerophotogrammetric office operation of 1:25 000 1:50 000 1:100 000 topographic maps
    1:25 000 1:50 000 1:100 000地形图航空摄影测量内业规范
    China National Standards
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    GB/T 12339-2008 Inner packaging materials in preservatIOn
    防护用内包装材料
    China National Standards
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    GB/T 12334-2001 Metallic and other inorganic coatings--DefinitIOns and conventions concerning the measurement of thickness
    金属和其他非有机覆盖层 关于厚度测量的定义和一般规则
    China National Standards
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    GB/T 1233-2008 Rubber,unvulcanized - DeterminatIOns of pre-vulcanization characteristic using a shearing disc viscometer
    未硫化橡胶初期硫化特性的测定 用圆盘剪切粘度计进行测定
    China National Standards
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    GB/T 12331-1990 Classified standard of operatIOn with exposure to toxic chemicals in the workplace
    有毒作业分级
    China National Standards
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    GB/T 12326-2008 Power quality - Voltage fluctuatIOn and flicker
    电能质量 电压波动和闪变
    China National Standards
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    GB/T 12325-2008 Power quality - DeviatIOn of supply voltage
    电能质量 供电电压偏差
    China National Standards
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    GB/T 1232.1-2000 Rubber,unvulcanized--DeterminatIOns using a shearing-disc viscometer--Part 1:Determination of Mooney viscosity
    未硫化橡胶 用圆盘剪切粘度计进行测定 第1部分:门尼粘度的测定
    China National Standards
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    GB/T 12314-1990 Sensory analysis method--Guide lines for the preparatIOn of samples for which direct sensory analysis is not feasible
    感官分析方法 不能直接感官分析的样品制备准则
    China National Standards
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    GB/T 1231-2006 SpecificatIOns of high strength bolts with large hexagon head,large hexagon nuts,plain washers for steel structures
    钢结构用高强度大六角头螺栓、大六角螺母、垫圈技术条件
    China National Standards
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    GB/T 12307.3-1997 Metalliccoatings--Test methods for electrodeposited silver and silver alloy coatings--Part 3:DeterminatIOn of the presence of residual salts
    金属覆盖层 银和银合金电镀层的试验方法 第三部分:残留盐的测定
    China National Standards
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    GB/T 12305.6-1997 Metalliccoating--Test methods for electrodeposited gold and gold alloy coatings--Part 6:DeterminatIOn of the presence of residual salts
    金属覆盖层 金和金合金电镀层的试验方法 第六部分:残留盐的测定
    China National Standards
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    GB/T 12301-1999 DetectIOn methods for harmful gas evolved from non-dangerous cargo in holds
    船舱内非危险货物产生有害气体的检测方法
    China National Standards
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    GB/T 12281-1990 Requirements for the interconnectIOns and matching of color television broadcast receivers and other equipment
    彩色电视广播接收机与其他设备互连配接要求
    China National Standards
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    GB/T 12277-1990 Fixed resistors for use in electronic equipment--Part 7:Blank detail specificatIOn--Fixed resistor networks in which not allresistors are individually measurable--Assessment level E
    电子设备用固定电阻器 第七部分:空白详细规范 各电阻器不可单独测量的固定电阻网络 评定水平 E (可供认证用)
    China National Standards
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    GB/T 12276-1990 Fixed resistors for use in electronic equipment--Part 7:SectIOnal specification--Fixed resistor networks in which not all resistors are individually measurable
    电子设备用固定电阻器 第七部分:分规范 各电阻器不可单独测量的固定电阻网络 (可供认证用)
    China National Standards
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    GB/T 12275-1990 The rule of type designatIOn for quartz crystal oscillators
    石英晶体振荡器型号命名方法
    China National Standards
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    GB/T 12274.1-2012 Quartz crystal controlled oscillators of assessed quality - Part 1: Generic specificatIOn
    有质量评定的石英晶体振荡器 第1部分:总规范
    China National Standards
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    GB/T 12273-1996 Quartz crystal units--A specificatIOn in the quality assessment system for electronic components--Part 1:Generic specification
    石英晶体元件 电子元器件质量评定体系规范 第1部分:总规范
    China National Standards
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    GB/T 12273.501-2012 Quartz crystal units A specificatIOn in the quality assessment system for electronic components Part 5.1: Blank detail specification- qualification approval
    石英晶体元件 电子元器件质量评定体系规范 第5.1部分:空白详细规范 鉴定批准
    China National Standards
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    GB/T 12272-1990 Measuring method of radIO-frequency high potential withstanding voltage for radio-frequency coaxial connectors
    射频同轴连接器耐射频高电位电压测试方法
    China National Standards
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