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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 "ac" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 7676.8-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 8:Special requirements for accessories
    直接作用模拟指示电测量仪表及其附件 第8部分:附件的特殊要求    		 China National Standards
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    GB/T 7676.7-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 7:Special requirements for multi-function instruments
    直接作用模拟指示电测量仪表及其附件 第7部分:多功能仪表的特殊要求    		 China National Standards
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    GB/T 7676.6-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters
    直接作用模拟指示电测量仪表及其附件 第6部分:电阻表(阻抗表)和电导表的特殊要求    		 China National Standards
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    GB/T 7676.5-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 5:Special requirements for phase meters，power factor meters and synchroscopes
    直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求    		 China National Standards
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    GB/T 7676.4-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 4:Special requirements for frequency meters
    直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求    		 China National Standards
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    GB/T 7676.3-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 3:Special requirements for wattmeters and varmeters
    直接作用模拟指示电测量仪表及其附件 第3部分:功率表和无功率表的特殊要求    		 China National Standards
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    GB/T 7676.2-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 2:Special requirements for ammeters and voltmeters
    直接作用模拟指示电测量仪表及其附件 第2部分:电流表和电压表的特殊要求    		 China National Standards
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    GB/T 7676.1-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 1:Definition and general requirements common to all parts
    直接作用模拟指示电测量仪表及其附件 第1部分:定义和通用要求    		 China National Standards
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    GB/T 7670-2009 Electrodynamic vibration generating systems(equipment) - Performance characteristics
    电动振动发生系统（设备） 性能特性    		 China National Standards
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    GB/T 7660.2-2013 Reflecting prisms―Part 2: Characteritics of image rotation
    反射棱镜 第2部分：像偏转特性    		 China National Standards
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    GB/T 7660.1-2013 Reflecting prisms―Part 1: Geometrical characteritics
    反射棱镜 第1部分：几何特性    		 China National Standards
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    GB/T 7643-1987 Sticklac
    紫胶原胶    		 China National Standards
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    GB/T 7632-1987 Recommendations for the choice of lubricants for machine tools
    机床用润滑剂的选用    		 China National Standards
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    GB/T 7619-1987 Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of datacommunications
    在数据通信领域中通常同集成电路设备一起使用的平衡双流接口电路的电气特性    		 China National Standards
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    GB/T 7618-1987 Electrical characteristics for unbalanced double-current interchange circuits for general use with inte-grated circuit equipment in the field of data communications
    在数据通信领域中通常同集成电路设备一起使用的非平衡双流接口电路的电气特性    		 China National Standards
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    GB/T 7611-2016 Characteristic of the electrical interface at hierarchical bit rate for digital network
    数字网系列比特率电接口特性    		 China National Standards
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    GB/T 7611-2001 Characteristics of the electrical interfaceat hierarchical bit rate for digital network
    数字网系列比特率电接口特性    		 China National Standards
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    GB/T 7610-1987 Characteristics of pulse code modulation for voice-frequencies
    音频脉冲编码调制特性    		 China National Standards
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    GB/T 7605-2008 Detemination of clemulsibility characteristics of turbine oils in service
    运行中汽轮机油破乳化度测定法    		 China National Standards
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    GB/T 7598-2008 Determination of water-soluble acid in transformer oils in service
    运行中变压器油水溶性酸测定法    		 China National Standards
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    GB/T 7585-1987 Capacity series and radio-frequency channel arrangement for analog microwave relay systems
    模拟微波接力通信系统容量系列及波道配置    		 China National Standards
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    GB/T 7584.3-2011 acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
    声学 护听器 第3部分：使用专用声学测试装置 测量耳罩式护听器的插入损失    		 China National Standards
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    GB/T 7584.2-1999 acoustics--Hearing protectors--Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
    声学 护听器 第2部分:戴护听器时有效的A计权声压级估算    		 China National Standards
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    GB/T 7584.1-2004 acoustics--Hearing protectors--Part 1:Subjective method for the measurement of sound attenuation
    声学 护听器 第1部分:声衰减测量的主观方法    		 China National Standards
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    GB/T 7583-1987 acoustics--Pure tone air conductionthreshold audio-metry--For hearing conservation purposes
    声学 纯音气导听阈测定 听力保护用    		 China National Standards
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    GB/T 7582-2004 acoustics--Statistical distribution of hearing thresholds as a function of age
    声学 听阈与年龄关系的统计分布    		 China National Standards
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    GB/T 7573-2009 Textiles - Determination of pH of aqueous extract
    纺织品 水萃取液pH值的测定    		 China National Standards
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    GB/T 757-2010 Conical shaft extension for rotating electrical machines
    旋转电机 圆锥形轴伸    		 China National Standards
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    GB/T 7570-2008 Wool - Determination of acid content
    羊毛 含酸量的测定    		 China National Standards
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    GB/T 7568.8-2014 Textiles―Tests for colour fastness―Standard adjacent fabric―Part 8: Secondary acetate
    纺织品 色牢度试验 标准贴衬织物 第8部分：二醋酯纤维    		 China National Standards
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    GB/T 7568.7-2008 Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 7：Multifibre
    纺织品 色牢度试验 标准贴衬织物 第7部分：多纤维    		 China National Standards
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    GB/T 7568.6-2002 Textiles--Tests for colour fastness--Specification for silk adjacent fabric
    纺织品 色牢度试验 丝标准贴衬织物规格    		 China National Standards
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    GB/T 7568.5-2002 Textiles--Tests for colour fastness--Specification for acrylic adjacent fabric
    纺织品 色牢度试验 聚丙烯腈标准贴衬织物规格    		 China National Standards
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    GB/T 7568.4-2002 Textiles--Tests for colour fastness--Specification for polyester adjacent fabric
    纺织品 色牢度试验 聚酯标准贴衬织物规格    		 China National Standards
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    GB/T 7568.3-2008 Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 3：Polyamide
    纺织品 色牢度试验 标准贴衬织物 第3部分：聚酰胺纤维    		 China National Standards
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    GB/T 7568.2-2008 Textiles - Tests for colour fastness - Standard adjacent fabrics - Part 2：Cotton and viscose
    纺织品 色牢度试验 标准贴衬织物 第2部分：棉和粘胶纤维    		 China National Standards
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    GB/T 7568.1-2002 Textiles--Tests for colour fastness--Specification for wool adjacent fabric
    纺织品 色牢度试验 毛标准贴衬织物规格    		 China National Standards
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    GB/T 756-2010 Cylindrical shaft extension for rotating electrical machines
    旋转电机 圆柱形轴伸    		 China National Standards
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    GB/T 755.2-2003 Methods for determininglosses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles)
    旋转电机(牵引电机除外)确定损耗和效率的试验方法    		 China National Standards
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    GB/T 7515-1987 Information processing--Coding of machine readable characters (MICR and OCR)
    信息处理用机器可读字符编码 (磁墨水字符识别和光学字符识别的字符)    		 China National Standards
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    GB/T 7514-1987 Conversion between the 7-bit coded character set for information processing interchange and the 5-unit code for the telegraph service
    信息处理交换用七位编码字符集与电报用五单位电码之间的转换    		 China National Standards
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    GB/T 7494-1987 Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
    水质 阴离子表面活性剂的测定 亚甲蓝分光光度法    		 China National Standards
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    GB/T 7481-1987 Water quality--Determination of ammonium--Spectrophotometric method with salicylic acid
    水质 铵的测定 水杨酸分光光度法    		 China National Standards
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    GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
    水质 硝酸盐氮的测定 酚二磺酸分光光度法    		 China National Standards
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    GB/T 747-2003 Pulps--Determination of acid-insoluble lignin
    纸浆 酸不溶木素的测定    		 China National Standards
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    GB/T 7465-2015 High activity cobalt-60 sealed radioactive sources
    高活度钴60密封放射源    		 China National Standards
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    GB/T 7463-2008 Surface active agents - Determination of the power to dispersecalcium soap - Acidimetric .method (Modifled Schoenfeldt method)
    表面活性剂 钙皂分散力的测定 酸量滴定法 (改进Schoenfeldt法)    		 China National Standards
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    GB/T 7462-1994 Surface active agents--Measurement of foaming power--Modified Ross-miles method
    表面活性剂 发泡力的测定 改进Ross-Miles法    		 China National Standards
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    GB/T 7441-2008 Measurement of airborne noise emitted by steam turbines and driven machinery
    汽轮机及被驱动机械发出的空间噪声的测量    		 China National Standards
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    GB/T 7422.2-1987 16×12， 16×8， 16×4 Dot matrix data set of Mongo-lian characters for information interchange
    信息交换用蒙古文16×12、16×8、16×4点阵数据集    		 China National Standards
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    GB/T 7422.1-1987 16×12， 16×8， 16×4 Dot matrix font set of Mongo-lian characters for information interchange
    信息交换用蒙古文16×12、16×8、16×4点阵字模集    		 China National Standards
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    GB/T 7419-1987 Information processing--Implementation of the 7-bit coded character set and its 7-bit and 8-bit extensions on 3.81mm magnetic tape cassette for data interchange
    信息处理 数据交换用七位编码字符集及其七位与八位扩充在3.81mm盒式磁带上的实现方法    		 China National Standards
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    GB/T 7414-1987 Seed packing of main agricultural crops
    主要农作物种子包装    		 China National Standards
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    GB/T 7409.3-2007 Excitation system for synchronous electrical machines - Technical requirements of excitation system for large and medium synchronous generators
    同步电机励磁系统　大、中型同步发电机励磁系统技术要求    		 China National Standards
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    GB/T 7409.2-2008 Excitation systems for synchronous machines - Models for power system studies
    同步电机励磁系统 电力系统研究用模型    		 China National Standards
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    GB/T 7409.1-2008 Excitation systems for synchronous electrical machines - Definitions
    同步电机励磁系统 定义    		 China National Standards
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    GB/T 7404.2-2013 Lead-acid battery for locomotives and rolling stock - Part 2：Valve regulated lead-acid for diesel locomotives
    轨道交通车辆用铅酸蓄电池 第2部分：内燃机车用阀控式铅酸蓄电池    		 China National Standards
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    GB/T 7404.1-2013 Lead-acid battery for locomotives and rolling stock - Part 1: Valve-regulate lead acid for electric and subway locomotives
    轨道交通车辆用铅酸蓄电池 第1部分：电力机车、地铁车辆用阀控式铅酸蓄电池    		 China National Standards
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    GB/T 7403.2-2008 Lead-acid traction batteries - Part 2: Product types and specifications
    牵引用铅酸蓄电池 第2部分: 产品品种和规格    		 China National Standards
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    GB/T 7403.1-2008 Lead acid traction batteries - Part 1: Technical conditions
    牵引用铅酸蓄电池 第1部分：技术条件    		 China National Standards
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    GB/T 7397.3-1998 Measuring methods for non-broadcast video tape recorders--Part 3:Audio characteristics for FMrecording
    非广播磁带录像机测量方法 第3部分:FM记录的音频特性    		 China National Standards
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    GB/T 7386-2008 Co-ordination of dimension in ships’ accommodation
    船舶起居舱室的尺度协调    		 China National Standards
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    GB/T 7385-2012 Non-ionic surface active agents - Polyethoxylated derivatives - Iodometric determination of oxyethylene groups
    非离子型表面活性剂 聚乙氧基化衍生物中氧乙烯基含量的测定 碘量法    		 China National Standards
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    GB/T 7383-2007 Non-ionic surface active agents - Determination of hydroxyl value
    非离子表面活性剂 羟值的测定    		 China National Standards
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    GB/T 7381-2010 Surface active agents - Determination of stability in hard water
    表面活性剂 在硬水中稳定性的测定方法    		 China National Standards
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    GB/T 7378-2012 Surface active agents - Determination of alkalinity - Titrimetric method
    表面活性剂 碱度的测定 滴定法    		 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 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 7341.1-2010 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 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 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 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 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 7302-2008 Feed additive - Folic acid
    饲料添加剂　叶酸    		 China National Standards
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    GB/T 7300-2006 Feed additive - Nicotinic acid
    饲料添加剂　烟酸    		 China National Standards
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    GB/T 7292-1999 Feed additive--Vitamin A acetate beadlets
    饲料添加剂 维生素A乙酸酯微粒    		 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 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 7227-2006 Forestry machinery―Graphical symbols
    林业机械 图形符号    		 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    		 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    		 China National Standards
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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    		 China National Standards
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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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    GB/T 7188-1987 Office machines and data processing equipment--Keyboard layouts for numeric applications
    办公机器和数据处理设备数字应用的键盘布局    		 China National Standards
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    GB/T 7178.8-2006 The operating for railway shunting―Part 8: Operating for taking out and placing in wagons
    铁路调车作业 第8部分：取送车辆作业    		 China National Standards
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    GB/T 7178.7-2006 The operating for railway shunting Part 7: Operating for the train detaching and attaching
    铁路调车作业 第7部分：列车摘挂作业    		 China National Standards
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    GB/T 7169-2011 Designation of secondary cells and batteries containing alkaline or other non-acid electrolytes
    含碱性或其它非酸性电解质的蓄电池和蓄电池组型号命名方法    		 China National Standards
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    GB/T 7166-2015 Characteristics and test methods for in-core and primary coolant circuit temperature sensors in nuclear power plants
    核电厂反应堆堆芯和主冷却剂回路内温度计的特性和试验方法    		 China National Standards
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    GB/T 7166-1987 In-core temperature orprimary envelope temperature measurements in nuclear power reactor--Characteristics and test methods
    核动力堆堆芯或堆主包壳内温度测量特性和测试方法    		 China National Standards
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    GB/T 7165.5-2008 Equipment for continuous monitoring of radioactivity in gaseous effluents - Part 5: Specific requirements for tritium monitors
    气态排出流（放射性）活度连续监测设备 第5部分：氚监测仪的特殊要求    		 China National Standards
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    GB/T 7165.4-2008 Equipment for continuous monitoring of radioactivity in gaseous effluents - Part 4: Specific requirements for radioactive iodine monitors
    气态排出流（放射性）活度连续监测设备 第4部分：放射性碘监测仪的特殊要求    		 China National Standards
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    GB/T 7165.3-2008 Equipment for continuous monitoring of radioactivity in gaseous effluents - Part 3: Specific requirements for radioactive noble gas monitors
    气态排出流（放射性）活度连续监测设备 第3部分：放射性惰性气体监测仪的特殊要求    		 China National Standards
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    GB/T 7165.2-2008 Equipment for continuous monitoring of radioactivity in gaseous effluents - Part 2: Specific requirements for radioactive aerosol monitors including transuranic aerosols
    气态排出流(放射性)活度连续监测设备 第2部分：放射性气溶胶（包括超铀气溶胶）监测仪的特殊要求    		 China National Standards
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