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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 "R" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 7352-2008 ElectRical measuring systems and instruments utilizing ionizing radiation source
    利用电离辐射源的电测量系统和仪表
    China National Standards
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    GB/T 7351-2013 FibeR grade polyvinyl alcohol resins
    纤维级聚乙烯醇树脂
    China National Standards
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    GB/T 7350-1999 WateRproof packaging
    防水包装
    China National Standards
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    GB/T 7349-2002 Methods of measuR ement of radio interference from high voltage overhead power transmission line and substation
    高压架空送电线、变电站无线电干扰测量方法
    China National Standards
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    GB/T 7348-1987 The standaRd spectrum of whispered Chinese speech
    耳语标准频谱
    China National Standards
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    GB/T 7347-1987 The standaRd spectrum of Chinese speech
    汉语标准频谱
    China National Standards
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    GB/T 7346-2015 Basic outline constRuctional type for control motors and feedback components
    控制电机基本外形结构型式
    China National Standards
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    GB/T 7345-2008 GeneRal requirements for electrical machine for automatic control system
    控制电机基本技术要求
    China National Standards
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    GB/T 7344-2015 GeneRal specification for AC servomotors
    交流伺服电动机通用技术条件
    China National Standards
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    GB/T 7343-1987 Methods of measuRement of the suppresion characteristics of passive radio interference filters and suppression components over the frequency range of 10kHz to 30MHz
    10 kHz~30 MHz无源无线电干扰滤波器和抑制元件抑制特性的测量方法
    China National Standards
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    GB/T 7341.4-1998 AudiometeRs--Part 4:Equipment for extended high-frequency audiometry
    听力计 第4部分 延伸高频测听的设备
    China National Standards
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    GB/T 7341.3-1998 AudiometeRs--Part 3:Auditory test signals of short duration for audiometric and neuro-otological purposes
    听力计 第3部分 用于测听与神经耳科的短持续听觉测试信号
    China National Standards
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    GB/T 7341.2-1998 AudiometeRs--Part 2:Equipment for speechaudio-metry
    听力计 第2部分 语言测听设备
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    GB/T 7341.1-2010 ElectRoacoustics - Audiological equipment - Part 1: Pure-tone audiometers
    电声学 测听设备 第1部分:纯音听力计
    China National Standards
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    GB/T 7340-1987 Fixed Resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistor of either different resistance values or different rated dissipations--Assessment level E
    电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗不同, 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)
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    GB/T 7339-1987 Fixed Resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistors, all of equal value and equal dissipation--Assessment level E
    电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗相同, 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)
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    GB/T 7338-1996 Fixed Resistors for use in electronic equipment--Part 6:Sectional specification--Fixed resistor networks with individually measurable resistors
    电子设备用固定电阻器 第6部分:分规范 各电阻器可单独测量的固定电阻网络
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    GB/T 7333-2012 Fixed capacitoRs for use in electronic equipment - Part 2-1: Blank detail specification - Fixed metallized polyethylene-terephthalate film dielectric d.c.capacitors - Assessment levels E and EZ
    电子设备用固定电容器 第2-1部分:空白详细规范 金属化聚乙烯对苯二甲酸酯膜介质 直流固定电容器 评定水平E和EZ
    China National Standards
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    GB/T 7332-2011 Fixed capacitoRs for use in electronic equipment - Part 2: Sectional specification - Fixed metallized polyethylene-terephthalate film dielectric d.c.capacitors
    电子设备用固定电容器 第2部分:分规范 金属化聚乙烯对苯二甲酸酯膜介质直流固定电容器
    China National Standards
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    GB/T 7330-2008 Line tRaps for a.c. power systems
    交流电力系统阻波器
    China National Standards
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    GB/T 7329-2008 Coupling devices foR power line carrier systems
    电力线载波结合设备
    China National Standards
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    GB/T 7327-2008 Silicon caRbide surge arresters for a.c.systems
    交流系统用碳化硅阀式避雷器
    China National Standards
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    GB/T 7326-1987 LubRicating grease--Corrosiveness to copper--Copper strip test
    润滑脂铜片腐蚀试验法
    China National Standards
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    GB/T 7325-1987 PetRoleum products--Lubricating greases and oils--Determination of evaporation loss
    润滑脂和润滑油蒸发损失测定法
    China National Standards
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    GB/T 7324-2010 GeneRal purpose lithium lubricating grease
    通用锂基润滑脂
    China National Standards
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    GB/T 7323-2008 ExtReme pressure lithium lubricating grease
    极压锂基润滑脂
    China National Standards
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    GB/T 7322-2007 Refractory products - Determination of pyrometric cone equivalent (refractoriness)
    耐火材料 耐火度试验方法
    China National Standards
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    GB/T 7321-2004 Sample pReparation for testing of shaped refractory products
    定形耐火制品试样制备方法
    China National Standards
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    GB/T 7320-2008 Refractories - Determination of thermal expansion
    耐火材料 热膨胀试验方法
    China National Standards
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    GB/T 73-1985 Slotted set scRews with flat point
    开槽平端紧定螺钉
    China National Standards
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    GB/T 7314-2005 Metallic mateRials-Compression testing at ambient temperature
    金属材料 室温压缩试验方法
    China National Standards
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    GB/T 7313-1987 Minimum peRformance requirements and methods of measurement for high fidelity loudspeaker systems
    高保真扬声器系统最低性能要求及测量方法
    China National Standards
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    GB/T 7311-2008 Classification and editoRial nominating method for packaging machinery
    包装机械分类与型号编制方法
    China National Standards
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    GB/T 7309-2000 GeneRal specification for audio cassettes
    盒式录音磁带通用规范
    China National Standards
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    GB/T 7308-2008 Plain beaRings - Thin-walled half bearings with or without flange - Tolerances, design features and methods of test
    滑动轴承 有法兰或无法兰薄壁轴瓦 公差、结构要素和检验方法
    China National Standards
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    GB/T 7307-2001 Pipe thReads with 55 degree thread angle where pressure-tight joints are not made on the threads
    55°非密封管螺纹
    China National Standards
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    GB/T 7306.2-2000 Pipe thReads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 2:Taper internal and external threads
    55°密封管螺纹 第2部分:圆锥内螺纹与圆锥外螺纹
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    GB/T 7306.1-2000 Pipe thReads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 1:Parallel internal and taper external threads
    55°密封管螺纹 第1部分:圆柱内螺纹与圆锥外螺纹
    China National Standards
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    GB/T 7305-2003 StandaRd test method for water separabilityof petroleum oils and synthetic fluids
    石油和合成液水分离性测定法
    China National Standards
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    GB/T 7304-2014 StandaRd test method for acid number of petroleum products by potentiometric titration
    石油产品酸值的测定 电位滴定法
    China National Standards
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    GB/T 7303-2006 Feed additive vitamin C (L-AscoRbic acid)
    饲料添加剂 维生素C(L-抗坏血酸)
    China National Standards
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    GB/T 730-2008 Textiles - Tests foR colour fastness - Quality control of Blue wool reference materials 1 to 7
    纺织品 色牢度试验 蓝色羊毛标样 (1~7)级的品质控制
    China National Standards
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    GB/T 7299-2006 Feed additive - DextRo calcium pantothenate
    饲料添加剂 D-泛酸钙
    China National Standards
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    GB/T 7297-2006 Feed additive - Vitamin B2 (Riboflavin)
    饲料添加剂 维生素B2(核黄素)
    China National Standards
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    GB/T 7296-2008 Feed additive - Vitamin B1 (thiamine mononitRate)
    饲料添加剂 维生素B1(硝酸硫胺)
    China National Standards
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    GB/T 7295-2008 Feed additive - vitamin B1 (thiamine hydRochloride)
    饲料添加剂 维生素B1(盐酸硫胺)
    China National Standards
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    GB/T 7293-2006 Feed additive - Vitamin E powdeR
    饲料添加剂 维生素E粉
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    GB/T 7291-2008 GRaphical symbols - Technical guidelines for the consideration of consumers’ needs
    图形符号 基于消费者需求的技术指南
    China National Standards
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    GB/T 7289-1987 PResentation of reliability,maintainability and availability predictions
    可靠性、维修性与有效性预计报告编写指南
    China National Standards
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    GB/T 7288.2-1987 Equipment Reliability testing--Preferred test conditions--Equipment for stationary use in weather protected locations--High degree of simulation
    设备可靠性试验 推荐的试验条件 固定使用在有气候防护场所设备 精模拟
    China National Standards
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    GB/T 7288.1-1987 Equipment Reliability testing--Preferred test conditions indoor portable equipment--Low degree ofsimulation
    设备可靠性试验 推荐的试验条件 室内便携设备 粗模拟
    China National Standards
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    GB/T 7287-2008 Test method of infRared heater
    红外辐射加热器试验方法
    China National Standards
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    GB/T 7284-2016 Wooden fRamed case
    框架木箱
    China National Standards
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    GB/T 7276-1987 Hinges geneRal technical condition
    合页通用技术条件
    China National Standards
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    GB/T 7274-2015 Methods foR the measurement of direct inter-electrode capacitances of electronic tubes and valves
    电子管极间电容测试方法
    China National Standards
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    GB/T 727-2003 TuRbocharger nomenclature and code
    涡轮增压器 产品命名和型号编制方法
    China National Standards
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    GB/T 7269-2008 ARrangement,types and basic dimensions of consoles for electronic equipments
    电子设备控制台的布局、型式和基本尺寸
    China National Standards
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    GB/T 7268-2015 SeRies of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system
    电力系统保护及其自动化装置用插箱及插件面板基本尺寸系列
    China National Standards
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    GB/T 7267-2015 SeRies of basic dimension of protective and control panels and cabinet for secondary circuit of power system
    电力系统二次回路保护及自动化机柜(屏)基本尺寸系列
    China National Standards
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    GB/T 7265.2-1987 Test method foR the complex permittivity of solid dielectric materials at microwave frequencies--Open cavity method
    固体电介质微波复介电常数的测试方法 开式腔法
    China National Standards
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    GB/T 7265.1-1987 Test method foR complex permittivity of solid dielectric materials at microwave frequencies--Perturbation method
    固体电介质微波复介电常数的测试方法 微扰法
    China National Standards
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    GB/T 7262-2009 Technical Requirements and equipment arrangement for highway communication
    公路通信技术要求及设备配置
    China National Standards
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    GB/T 726-1994 Reciprocating internal combustion engines--Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and locations on an engine
    往复式内燃机 旋转方向、气缸和气缸盖上气门的标志及直列式内燃机右机、左机和发动机方位的定义
    China National Standards
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    GB/T 7261-2016 Basic testing method foR relaying protection and security automatic equipment
    继电保护和安全自动装置基本试验方法
    China National Standards
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    GB/T 7260.3-2003 UninteRruptiblepower systems(UPS)--Part 3:Method of specifying the performance and test requirements
    不间断电源设备(UPS) 第3部分: 确定性能的方法和试验要求
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    GB/T 7259-1987 Guidelines foR presenting performance of analog process measurement and control instrument
    模拟式过程测量和控制仪表性能表示方法 导则
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    GB/T 7257-2013 MeasuRement methods of parameter for helium-neon laser
    氦氖激光器参数测量方法
    China National Standards
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    GB/T 7256-2015 GeneRal requirements of lighting fixtures for civil airport
    民用机场灯具一般要求
    China National Standards
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    GB/T 7255-1998 Single sideband poweR-line carrier terminals
    单边带电力线载波机
    China National Standards
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    GB/T 7254-1995 PeRformanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification
    8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法
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    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
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    GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in tRansformer oil
    变压器油中溶解气体分析和判断导则
    China National Standards
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    GB/T 725-2008 InteRnal combustion engines - Nomenclature and code of designations
    内燃机产品名称和型号编制规则
    China National Standards
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    GB/T 7251.8-2005 Low-Voltage SwitchgeaR and Controlgear assemblies General Technology Requirement for Intelligent Assemblies
    低压成套开关设备和控制设备 智能型成套设备通用技术要求
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    GB/T 7251.7-2015 Low-voltage switchgeaR and controlgear assemblies—Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicles charging stations
    低压成套开关设备和控制设备 第7部分:特定应用的成套设备--如码头、露营地、市集广场、电动车辆充电站
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    GB/T 7251.10-2014 Low-voltage switchgeaR and controlgear assemblies―Part 10: Guidence to specifying assemblies
    低压成套开关设备和控制设备 第10部分:规定成套设备的指南
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    GB/T 7249-2016 Maximum lamp outlines foR incandescent lamps
    白炽灯的最大外形尺寸
    China National Standards
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    GB/T 7249-2008 Maximum lamp outlines foR incandescent lamps
    白炽灯的最大外形尺寸
    China National Standards
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    GB/T 7247.14-2012 Safety of laseR products - Part 14: A user’s guide
    激光产品的安全 第14部分:用户指南
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    GB/T 7247.13-2013 Safety of laseR products―Part 13: Measurements for classification of laser products
    激光产品的安全 第13部分:激光产品的分类测量
    China National Standards
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    GB/T 7246-1987 Wave single coil spRing lock washers
    波形弹簧垫圈
    China National Standards
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    GB/T 7245-1987 CuRved single coil spring lock washers
    鞍形弹簧垫圈
    China National Standards
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    GB/T 7244-1987 Single coil spRing lock washers,Heavy type
    重型弹簧垫圈
    China National Standards
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    GB/T 7242-2010 CenteRing error of lenses
    透镜中心偏差
    China National Standards
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    GB/T 7235-2004 GeometRical Product Specifications(GPS)--Methods for the assessment of departure from roundness--Measurement of variations in radius
    产品几何量技术规范(GPS) 评定圆度误差的方法 半径变化量测量
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    GB/T 7234-2004 GeometRical Product Specifications(GPS)--Measurement of roundness--Terms,definitions and parameters of roundness
    产品几何量技术规范(GPS) 圆度测量 术语、定义及参数
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    GB/T 7233.2-2010 Steel castings - UltRasonic examination - Part 2: Steel castings for highly stressed components
    铸钢件 超声检测 第2部分:高承压铸钢件
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    GB/T 7233.1-2009 Steel castings - UltRasonic examination - Part 1: Steel castings for general purposes
    铸钢件 超声检测 第1部分:一般用途铸钢件
    China National Standards
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    GB/T 7232-2012 TeRminology of metal heat treatment
    金属热处理工艺 术语
    China National Standards
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    GB/T 7230-2008 Gas detectoR tube measurement system
    气体检测管装置
    China National Standards
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    GB/T 7227-2006 FoRestry machinery―Graphical symbols
    林业机械 图形符号
    China National Standards
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    GB/T 7223-2008 Rongchang Pig
    荣昌猪
    China National Standards
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    GB/T 7220-2004 GeometRical Product Specifications(GPS)--Surface texture:Profile method--Surfaceroughness--Terminology--Measurement of surface roughness parameters
    产品几何量技术规范(GPS) 表面结构 轮廓法 表面粗糙度 术语 参数测量
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    GB/T 72-1988 Slotted set scRews with cone point
    开槽锥端定位螺钉
    China National Standards
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    GB/T 7218-2013 Rolling bearings - Miniature radial ball bearings with flanged outer ring - Boundary dimensions
    滚动轴承 凸缘外圈微型向心球轴承 外形尺寸
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    GB/T 7217-2013 Rolling bearings - Radial ball bearings with flanged outer ring - Flange dimensions
    滚动轴承 凸缘外圈向心球轴承 凸缘尺寸
    China National Standards
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    GB/T 7216-2009 MetallogRaphic test for gray cast iron
    灰铸铁金相检验
    China National Standards
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    GB/T 7214-2003 Fixed capacitoRs for use in electronic equipment--Part 15-3:Blank detail specification--Fixed tantalum capacitors with solid electrolyte and porous anode--Assessment level E
    电子设备用固定电容器 第15-3部分:空白详细规范 固体电解质和多孔阳极钽电容器 评定水平 E
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    GB/T 7213-2003 Fixed capacitoRs for use in electronic equipment--Part 15:Sectional specification--Fixed tantalum capacitors with non-solid or solid electrolyte
    电子设备用固定电容器 第15部分:分规范 非固体或固体电解质钽电容器
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    GB/T 7196-2012 Methods of test foR the determination of ionic impurities in electrical insulating materials by extraction with liquids
    用液体萃取测定电气绝缘材料离子杂质的试验方法
    China National Standards
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