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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 "EL" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 4934.2-2008 Instrument for soil test - Shear apparatus - Part 2：FiELd vane shear apparatus
    土工试验仪器 剪切仪 第2部分：现场十字板剪切仪    		 China National Standards
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    GB/T 4930-2008 Microbeam analysis - ELectron probe microanalysis - Guidelines for the specification of certified reference materials (CRMs)
    微束分析 电子探针分析 标准样品技术条件导则    		 China National Standards
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    GB/T 4925-2008 Fishing nets - Method of test for the determination of strength and breaking ELongation of netting of synthetic fiber
    渔网 合成纤维网片强力与断裂伸长率试验方法    		 China National Standards
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    GB/T 4909.8-2009 Test methods for bare wires - Part 8: Hardness test - BrinELl hardness test
    裸电线试验方法 第8部分：硬度试验 布氏法    		 China National Standards
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    GB/T 4909.7-2009 Test methods for bare wires - Part 7: MandrEL winding test
    裸电线试验方法 第7部分：卷绕试验    		 China National Standards
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    GB/T 4890-1985 Statistical interpretation of data--Power of tests rELating to means and variances of normal distributions
    数据的统计处理和解释 正态分布均值和方差检验的功效    		 China National Standards
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    GB/T 4889-2008 Statistical interpretation of data - Techniques of estimation and tests rELating to means and variances
    数据的统计处理和解释 正态分布均值和方差的估计与检验    		 China National Standards
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    GB/T 4885-2009 Lower confidence limit of rELiability for complete sample from normal distribution
    正态分布完全样本可靠度置信下限    		 China National Standards
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    GB/T 4874-1985 Generic specification for fixed metallized paper diELectric capacitors for direct current
    直流固定金属化纸介电容器总规范    		 China National Standards
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    GB/T 4854.9-2016 Acoustics—Reference zero for the calibration of audiometric equipment—Part 9: Preferred test conditions for the determination of reference hearing threshold levELs
    声学 校准测听设备的基准零级 第9部分：确定基准听阈级的优选测试条件    		 China National Standards
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    GB/T 4854.8-2007 Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levELs for pure tone and circumaural earphones
    声学 校准测听设备的基准零级 第8部分：耳罩式耳机纯音基准等效阈声压级    		 China National Standards
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    GB/T 4854.7-2008 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-fiELd and diffuse-field listening conditions
    声学 校准测听设备的基准零级 第7部分: 自由场与扩散场测听的基准听阈    		 China National Standards
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    GB/T 4854.6-2014 Acoustics―Reference zero for the calibration of audiometric equipment―Part 6: Reference hearing threshold levELs for test signals of short duration
    声学 校准测听设备的基准零级 第6部分：短时程测试信号的基准听阈    		 China National Standards
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    GB/T 4854.5-2008 Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levELs for pure tone in the frequency range 8 kHz to 16 kHz
    声学 校准测听设备的基准零级 第5部分：8kHz-16kHz频率范围纯音基准等效阈声压级    		 China National Standards
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    GB/T 4854.4-1999 Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levELs for narrow-band masking noise
    声学 校准测听设备的基准零级 第4部分:窄带掩蔽噪声的基准级    		 China National Standards
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    GB/T 4854.3-1998 Acoustics--Reference zero for the calibration of audiometric equipment--Part 3:Reference equivalent threshold force levELs for pure tones and bone vibrators
    声学 校准测听设备的基准零级 第3部分:骨振器纯音基准等效阈力级    		 China National Standards
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    GB/T 4854.1-2004 Acoustics--Reference zero for the calibration of audiometric equipment--Part1:Reference equivalent threshold sound pressure levELs for pure tones and supra-aural earphones
    声学 校准测听设备的基准零级 第1部分:压耳式耳机纯音基准等效阈声压级    		 China National Standards
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    GB/T 4844-2011 Pure hELium,high pure helium and ultra pure helium
    纯氦、高纯氦和超纯氦    		 China National Standards
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    GB/T 4833.3-2008 MultichannEL analyzers - Part 3: histogram data interchange format for nuclear spectroscopy
    多道分析器 第3部分：核谱测量直方图数据交换格式    		 China National Standards
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    GB/T 4833.2-2008 MultichannEL analyzers - Part 2: Test methods as multichannel scalers
    多道分析器 第2部分：作为多路定标器的试验方法    		 China National Standards
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    GB/T 4833.1-2007 MultichannEL analyzers - Part 1: technical requirements and test methods
    多道分析器 第1部分：技术要求与试验方法    		 China National Standards
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    GB/T 4831-2016 Specification for modEL of rotating electrical motor
    旋转电机产品型号编制方法    		 China National Standards
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    GB/T 4831-1984 Specification for modEL of rotating electrical machines
    电机产品型号编制方法    		 China National Standards
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    GB/T 4798.7-2007 Environmental conditions existing in the application of ELectric and electronic products - Section 7: Portable and non-stationary use
    电工电子产品应用环境条件 第7部分：携带和非固定使用    		 China National Standards
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    GB/T 4798.5-2007 Environmental conditions existing in the application of ELectric and electronic products - Section 5: Ground vehicle installations
    电工电子产品应用环境条件 第5部分：地面车辆使用    		 China National Standards
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    GB/T 4798.4-2007 Environmental conditions existing in the application of ELectric and electronic products - Section 4: Stationary use at non-weather-protected locations
    电工电子产品应用环境条件 第4部分：无气候防护场所固定使用    		 China National Standards
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    GB/T 4798.3-2007 Environmental conditions existing in the application of ELectric and electronic products - Section 3: Stationary use at weather-protected locations
    电工电子产品应用环境条件 第3部分：有气候防护场所固定使用    		 China National Standards
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    GB/T 4798.2-2008 Environmental conditions existing in the application of ELectric and electronic products - Section 2：Transportation
    电工电子产品应用环境条件 第2部分: 运输    		 China National Standards
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    GB/T 4798.1-2005 Environmental conditions existing in the application of ELectric and electronic products Section 1:Storage
    电工电子产品应用环境条件 第一部分 贮存    		 China National Standards
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    GB/T 4798.10-2006 Environmental conditions existing in the application of ELectric and electronic products - Guidance
    电工电子产品应用环境条件 导言    		 China National Standards
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    GB/T 4797.4-2006 Environmental conditions appearing in nature for ELectric and electronic products - Solar radiation and temperature
    电工电子产品 自然环境条件 太阳辐射与温度    		 China National Standards
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    GB/T 4797.3-2014 Environmental conditions appearing in nature for ELectric and electronic products―Living organisms
    电工电子产品自然环境条件 生物    		 China National Standards
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    GB/T 4797.2-2005 Environmental conditions for ELectric and electronic products appearing in nature Part 2:Altitude and air pressure,deepness and water pressure
    电工电子产品自然环境条件 第2部分：海拔与气压、水深与水压    		 China National Standards
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    GB/T 4797.1-2005 Environmental conditions appearing in nature of ELectric and electronic products Temperature and humidity
    电工电子产品自然环境条件 温度和湿度    		 China National Standards
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    GB/T 4796-2008 Classification of environmental conditions of ELectric and electronic products - Part 1: Environmental parameters and their severities
    电工电子产品环境条件分类 第1部分：环境参数及其严酷程度    		 China National Standards
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    GB/T 4782-2001 Road vehicles--Controls，indicators and tELl-tales--Vocabulary
    道路车辆 操纵件、指示器及信号装置 词汇    		 China National Standards
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    GB/T 4776-2008 ELectrical safety terminology
    电气安全术语    		 China National Standards
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    GB/T 4772.3-1999 Dimensions and output series for rotating ELectrical machines--Part 3:Samll built-in motors--Flange numbers BF10 to BF50
    旋转电机尺寸和输出功率等级 第3部分:小功率装入式电动机 凸缘号BF10～BF50    		 China National Standards
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    GB/T 4772.2-1999 Dimensions and output series for rotating ELectrical machines--Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360
    旋转电机尺寸和输出功率等级 第2部分:机座号355～1000和凸缘号1180～2360    		 China National Standards
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    GB/T 4772.1-1999 Dimensions and output series for rotating ELectrical machines--Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1080
    旋转电机尺寸和输出功率等级 第1部分:机座号56～400和凸缘号55～1080    		 China National Standards
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    GB/T 4771-2015 RELeased alkali tests of glasses and glass containers for pharmaceutical preparations
    药用玻璃及其玻璃容器碱溶出量试验方法    		 China National Standards
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    GB/T 4771-1984 RELeased alkali tests of glasses and glass containers for pharmaceutical preparations
    药用玻璃及其玻璃容器碱溶出量试验方法    		 China National Standards
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    GB/T 4761-2008 Codes for family rELationship
    家庭关系代码    		 China National Standards
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    GB/T 4728.9-2008 Graphical symbols for diagrams - Part 9：TELecommunications - Switching and peripheral equipment
    电气简图用图形符号 第9部分：电信 交换和外围设备    		 China National Standards
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    GB/T 4728.6-2008 Graphical symbols for diagrams - Part 6：Production and conversion of ELectrical energy
    电气简图用图形符号 第6部分：电能的发生与转换    		 China National Standards
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    GB/T 4728.5-2005 Graphical symbols for diagrams Part 5 Semiconductors and ELectron tubes
    电气简图用图形符号 第5部分:半导体管和电子管    		 China National Standards
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    GB/T 4728.2-2005 Graphical symbols for diagrams Part 2 Symbol ELements,qualifying symbols and other symbols having general application
    电气简图用图形符号 第2部分:符号要素、限定符号和其他常用符号    		 China National Standards
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    GB/T 4728.13-2008 Graphical symbols for diagrams - Part 13：Analogue ELements
    电气简图用图形符号 第13部分：模拟元件    		 China National Standards
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    GB/T 4728.12-2008 Graphical symbols for diagrams - Part 12：Binary logic ELements
    电气简图用图形符号 第12部分：二进制逻辑元件    		 China National Standards
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    GB/T 4728.1-2005 Graphical symbols for ELectrical diagrams Part 1:General information
    电气简图用图形符号 第1部分:一般要求    		 China National Standards
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    GB/T 4728.10-2008 Graphical symbols for diagrams - Part 10：TELecommunications:Transmission
    电气简图用图形符号 第10部分：电信 传输    		 China National Standards
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    GB/T 4724-1992 Epoxide cELlulose paper copper-clad laminated sheets for printed circuits
    印制电路用覆铜箔环氧纸层压板    		 China National Standards
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    GB/T 4723-1992 Phenolic cELlulose paper copper-clad laminated sheets for printed circuits
    印制电路用覆铜箔酚醛纸层压板    		 China National Standards
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    GB/T 4712-2008 Automatic diesEL generating set,requirements of classification for
    自动化柴油发电机组分级要求    		 China National Standards
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    GB/T 4698.24-1996 Sponge titanium，titanium and titanium alloys--Determination of nickEL content--Dimethylglyoxime spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 丁二酮肟分光光度法测定镍量    		 China National Standards
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    GB/T 4698.21-1996 Sponge titanium，titanium and titanium alloys--Determination ofmanganese，chromium，nickEL，aluminium，molybdenum，tin，vanadium，yttrium，copper，zirconium content--Emission spectrographic method
    海绵钛、钛及钛合金化学分析方法 发射光谱法测定锰、铬、镍、铝、钼、锡、钒、钇、铜、锆量    		 China National Standards
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    GB/T 4697-2008 Hot-rolled U-type steEL for mine timbering
    矿山巷道支护用热轧U型钢    		 China National Standards
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    GB/T 4695-1984 WheEL tread and dimensions for narrowgauge locomotives and vehicles
    窄轨机车车辆 车轮踏面形状及尺寸    		 China National Standards
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    GB/T 4687-2007 Paper, board, pulps and rELated terms - Vocabulary
    纸、纸板、纸浆及相关术语    		 China National Standards
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    GB/T 4681-2007 External cylindrical centrELess grinding machines - Testing of the accuracy
    无心外圆磨床 精度检验    		 China National Standards
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    GB/T 4678.19-2003 Die-casting die components--Part 19: Locating ELement
    压铸模零件 第19部分:定位元件    		 China National Standards
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    GB/T 464-2008 Paper and board - AccELerated aging - Dry heat treatment
    纸和纸板的干热加速老化    		 China National Standards
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    GB/T 4638-1997 Picture image area and photographic sound record on 35mm motion-picture rELease prints--Position and dimensions
    35mm电影发行拷贝上画面和光学声迹的位置和尺寸    		 China National Standards
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    GB/T 4607-2006 Road vehicles - 90 semi-trailer fifth wheEL coupling pin - Basic and mounting/interchangeability dimensions
    道路车辆 半挂车牵引座90号牵引销的基本尺寸和安装、互换性尺寸    		 China National Standards
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    GB/T 4606-2006 Road vehicles - 50 semi-trailer fifth wheEL coupling pin - Basic and mounting/interchangeability dimensions
    道路车辆 半挂车牵引座50号牵引销的基本尺寸和安装、互换性尺寸    		 China National Standards
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    GB/T 4597-2012 Vocabulary of ELectronic tubes
    电子管词汇    		 China National Standards
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    GB/T 4596-2012 E-cores for three-phase transformers for use in ELectronic equipment
    电子设备用三相变压器E形铁心    		 China National Standards
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    GB/T 4595-2000 Measurement of noise on board vessELs
    船上噪声测量    		 China National Standards
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    GB/T 4591-2005 Test Chart for ELectrostatic Copying Process
    静电图像测试版    		 China National Standards
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    GB/T 4588.12-2000 Specification for mass laminationpanELs (semi-manufactured multilayer printed boards)
    预制内层层压板规范(半制成多层印制板)    		 China National Standards
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    GB/T 4586-1994 Semiconductor devices--Discrete devices--Part 8:FiELd-effect transistors
    半导体器件 分立器件 第8部分:场效应晶体管    		 China National Standards
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    GB/T 4583-2007 Measurement of noise emitted by ELectric tools - Engineering method
    电动工具噪声测量方法 工程法    		 China National Standards
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    GB/T 4549.9-2004 Railway vehicle vocabulary--Part 9:ELectric equipment
    铁道车辆词汇 第9部分:电气装置    		 China National Standards
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    GB/T 4511.1-2008 Coke - Determination of true rELative density apparent relative density and porosity
    焦炭真相对密度、假相对密度和气孔率的测定方法    		 China National Standards
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    GB/T 450-2008 Paper and board－Sampling for testing and identification of machine and cross direction, wire side and fELt side
    纸和纸板试样的采取及试样纵横向、正反面的测定    		 China National Standards
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    GB/T 4490-2009 Conveyor bELts with textile carcass - Widths and lengths
    织物芯输送带 宽度和长度    		 China National Standards
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    GB/T 4472-2011 Detemination of density and rELative density for chemical products
    化工产品密度、相对密度的测定    		 China National Standards
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    GB/T 4465-2012 Basic dyes - Determination of shade and rELative strength
    碱性染料 色光和强度的测定    		 China National Standards
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    GB/T 4450-2008 Marine blank steEL flanges
    船用盲板钢法兰    		 China National Standards
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    GB/T 4447-2008 Sea-going vessELs-Windlasses and anchor capstans
    海船用起锚机和起锚绞盘    		 China National Standards
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    GB/T 4435-2010 NickEL and nickel alloys bars
    镍及镍合金棒    		 China National Standards
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    GB/T 4365-2003 ELectrotechnical terminology--Electromagnetic compatibility
    电工术语 电磁兼容    		 China National Standards
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    GB/T 4357-2009 Cold-drawn non-alloy steEL wire for springs
    冷拉碳素弹簧钢丝    		 China National Standards
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    GB/T 4356-2002 Stainless steEL wire rods
    不锈钢盘条    		 China National Standards
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    GB/T 4354-2008 Hot rolled quality carbon steEL wire rods
    优质碳素钢热轧盘条    		 China National Standards
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    GB/T 4353-2007 FuEL consumption for passenger vehicles in operation
    载客汽车运行燃料消耗量    		 China National Standards
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    GB/T 4352-2007 FuEL consumption for trucks in operation
    载货汽车运行燃料消耗量    		 China National Standards
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    GB/T 4346-2008 Machine tools - Manually operated sELf-centring chucks
    机床 手动自定心卡盘    		 China National Standards
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    GB/T 4338-2006 Metallic materials―Tensile testing at ELevated temperature
    金属材料高温拉伸试验方法    		 China National Standards
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    GB/T 4336-2016 Carbon and low-alloy steEL—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method)
    碳素钢和中低合金钢 多元素含量的测定 火花放电原子发射光谱法（常规法）    		 China National Standards
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    GB/T 4336-2002 Standard testmethod for spark discharge atomic emission--Spectrometric analysis of carbon and low-alloy steEL(routine method)
    碳素钢和中低合金钢 火花源原子发射光谱分析方法(常规法)    		 China National Standards
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    GB/T 4335-2013 Determination of ferrite grain size for cold rolled low carbon steEL sheets
    低碳钢冷轧薄板铁素体晶粒度测定法    		 China National Standards
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    GB/T 4334-2008 Corrosion of metals and alloys - Test methods for intergranular corrosion of stainless steELs
    金属和合金的腐蚀 不锈钢晶间腐蚀试验方法    		 China National Standards
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    GB/T 4334.6-2015 Test method for stainless steELs in 5% sulfuric acid
    不锈钢5%硫酸腐蚀试验方法    		 China National Standards
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    GB/T 4334.6-2000 Method of 5 percent sulfuric acid test for stainless steELs
    不锈钢 5%硫酸腐蚀试验方法    		 China National Standards
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    GB/T 4325.9-2013 Methods for chemical analysis of molybdenum - Part 9: Determination of nickEL content - Dimethylglyoxime spectrophotometry and flame atomic absorption spectrometry
    钼化学分析方法 第9部分：镍量的测定 丁二酮肟分光光度法和火焰原子吸收光谱法    		 China National Standards
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    GB/T 4325.7-2013 Methods for chemical analysis of molybdenum - Part 7: Determination of iron content - 1,10-phenanthroline spectrophotometry and inductivELy coupled plasma atomic emission spectrometry
    钼化学分析方法 第7部分：铁量的测定 邻二氮杂菲分光光度法和电感耦合等离子体发射光谱法    		 China National Standards
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    GB/T 4325.26-2013 Methods for chemical analysis of molybdenum - Part 26: Determination of aluminium，magnesium，calcium，vanadium，chromium，manganese，iron，cobalt，nickEL，copper，zinc，arsenic，cadmium ，tin，antimony，tungsten，lead and bismuth contents
    钼化学分析方法 第26部分：铝、镁、钙、钒、铬、锰、铁、钴、镍、铜、锌、砷、镉、锡、锑、钨、铅和铋量的测定 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 4325.24-2013 Methods for chemical analysis of molybdenum - Part 24: Determination of tungsten content - InductivELy coupled plasma atomic emission spectrometry
    钼化学分析方法 第24部分:钨量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 4325.18-2013 Methods for chemical analysis of molybdenum - Part 18: Determination of vanadium content - N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductivELy coupled plasma atomic emission spectrometry
    钼化学分析方法 第18部分：钒量的测定 钽试剂分光光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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