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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 "Y" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 3654.4-1983 Methods for chemical analYsis of ferroniobium--The combustion gravimetric method for the determination of carbon content
    铌铁化学分析方法 燃烧重量法测定碳量    		 China National Standards
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    GB/T 3654.3-1983 Methods for chemical analYsis of ferroniobium--The gravimetric method for the determination of silicon content
    铌铁化学分析方法 重量法测定硅量    		 China National Standards
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    GB/T 3654.1-1983 Methods for chemical analYsis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content
    铌铁化学分析方法 纸上色层分离重量法测定铌、钽量    		 China National Standards
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    GB/T 3654.10-1983 Methods for chemical analYsis of ferroniobium--The EDTA volumetric method for the determination of aluminium content
    铌铁化学分析方法 EDTA容量法测定铝量    		 China National Standards
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    GB/T 3653.5-1983 Methods for chemical analYsis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content
    硼铁化学分析方法 色层分离硫酸钡重量法测定硫量    		 China National Standards
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    GB/T 3653.2-1983 Methods for chemical analYsis of ferroboron--The gasometric method for the determination of carbon content
    硼铁化学分析方法 气体容量法测定碳量    		 China National Standards
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    GB/T 3556-1983 Standard graY and color test chart for photography--Specifications
    摄影用标准灰板、色板的技术规范    		 China National Standards
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    GB/T 3522-1983 Cold-rolled qualitY carbon structural steel strips
    优质碳素结构钢冷轧钢带    		 China National Standards
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    GB/T 3501-1983 Technical requirements of super fine ruthenium dioxide hYdrate powder
    超细水合二氧化钌粉技术条件    		 China National Standards
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    GB/T 3489-1983 Hardmetals--Metallographic determination of porositY and uncombined carbon
    硬质合金 孔隙度和非化合碳的金相测定    		 China National Standards
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    GB/T 3451-1982 Standard tuning frequencY
    标准调音频率    		 China National Standards
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    GB/T 3399-1982 Test method for thermal conductivitY of plastics by means of the guarded hot plate
    塑料导热系数试验方法 护热平板法    		 China National Standards
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    GB 3378-1982 Subscriber line signalling sYstem for telephone automatic switching network
    电话自动交换网用户信号方式    		 China National Standards
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    GB 3377-1982 MultifrequencY register signalling system for telephone automatic switching network
    电话自动交换网多频记发器信号方式    		 China National Standards
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    GB 3376-1982 Inband pulsing single frequencYline signalling system for telephone automatic switching network
    电话自动交换网带内单频脉冲线路信号方式    		 China National Standards
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    GB/T 3351-1982 Designations for sYnthetic quartz crystals
    人造石英晶体的型号命名    		 China National Standards
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    GB/T 3320.2-1982 Tracking abilitY and channel separation test record
    循迹能力、声道分隔度测试唱片    		 China National Standards
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    GB/T 3296-1982 Standard test method for transparencY of domestic porcelain ware
    日用瓷器透光度的测定方法    		 China National Standards
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    GB/T 3145-1982 Benzene--Determination of crYstallizing point
    苯结晶点测定法    		 China National Standards
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    GB/T 3144-1982 Toluene--Determination of hYdrocarbon impurities--Gas chromatographic method
    甲苯中烃类杂质的气相色谱测定法    		 China National Standards
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    GB/T 3142-1982 Lubricants--Determination of load-carrYing capacity (four balls method)
    润滑剂承载能力测定法 (四球法)    		 China National Standards
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    GB/T 3239-1982 Expression of phYsical and subjective magnitudes of sound and noise in air
    空气中声和噪声强弱的主观和客观表示法    		 China National Standards
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    GB 3132-1982 SafetY fuses
    保险铅丝    		 China National Standards
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    GB/T 2880-1981 HYdraulic fluid power--Cylinder rod and piston seals for reciprocating applications--Dimensions andtolerances of housings--Narrow section series
    液压缸活塞和活塞杆 窄断面动密封沟槽尺寸系列和公差    		 China National Standards
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    GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relaY communication systems
    模拟微波接力通信系统网路接口基本技术要求    		 China National Standards
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    GB/T 2787-1981 KeYboard for international information processing interchange using the 7-bit coded character set--Alpha-numeric area
    信息处理交换用七位编码字符集键盘的字母数字区布局    		 China National Standards
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    GB/T 2625-1981 Process detection and controlflow chart--SYmbols and letter codes
    过程检测和控制流程图用图形符号和文字代号    		 China National Standards
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    GB/T 2541-1981 Petroleum products--Computation table for viscositY indices
    石油产品粘度指数算表    		 China National Standards
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    GB/T 2432-1981 Gasoline--Determination of tetraethYl lead content--Complexometric titration method
    汽油中四乙基铅含量测定法 (络合滴定法)    		 China National Standards
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    GB/T 2413-1980 Piezoelectric ceramic materials--Measuring methods for determination of volume densitY
    压电陶瓷材料体积密度测量方法    		 China National Standards
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    GB/T 2350-1980 Fluid power sYstems and components--Cylinders--Piston rod thread dimensions and types
    液压气动系统及元件 活塞杆螺纹型式和尺寸系列    		 China National Standards
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    GB/T 2349-1980 Fluid power sYstems and components--Cylinders--Basic series of piston strokes
    液压气动系统及元件 缸活塞行程系列    		 China National Standards
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    GB/T 2347-1980 HYdraulic fluid power--Pumps and motors--Geometric displacements
    液压泵及马达公称排量系列    		 China National Standards
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    GB 2312-1980 Code of Chinese graphic character setfor information interchange--PrimarY set
    信息交换用汉字编码字符集 基本集    		 China National Standards
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    GB/T 1765-1979 Method of producing of paint films for testing heat and humiditY resistance，salt-fog resistance and accelerated weathering
    测定耐湿热、耐盐雾、耐侯性 (人工加速) 的漆膜制备法    		 China National Standards
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    GB/T 1749-1979 Method of test for consistencY of pastes and putties
    厚漆、腻子稠度测定法    		 China National Standards
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    GB/T 1728-1979 Methods of test for drYing time of coatingsof paints and putties
    漆膜、腻子膜干燥时间测定法    		 China National Standards
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    GB/T 1748-1979 Method of test for flexibilitY of putty coatings
    腻子膜柔韧性测定法    		 China National Standards
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    GB/T 1417-1978 General terminologY for telecommunications equipment
    常用电信设备名词术语    		 China National Standards
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    GB/T 392-1977 Determination of colloid-stabilitY of lubricating greases
    润滑脂压力分油测定法    		 China National Standards
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    GB/T 258-1977 Determination of aciditY of gasoline，kerosine and diesel fuels
    汽油、煤油、柴油酸度测定法    		 China National Standards
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    GB/T 568-1965 Marine pipe flanges--TYpes
    船用法兰类型    		 China National Standards
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    GB/T 388-1964 Determination of sulfur content in petroleum products (oxYgen bomb method)
    石油产品硫含量测定法 (氧弹法)    		 China National Standards
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    GB 188-1963 Locomotive and car clearance boundarY and structure clearance boundary for 762mm gauge railways--Classification and basic dimensions
    762毫米轨距铁路机车车辆限界和建筑接近限界分类及基本尺寸    		 China National Standards
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    GB 21340-2019 The norm of energY consumption per unit products for glass products and cast stone
    玻璃和铸石单位产品能源消耗限额    		 China National Standards
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    GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X- and gamma-raY techniques with digital detectors
    焊缝无损检测 射线检测 第2部分：使用数字化探测器的X和伽玛射线技术    		 China National Standards
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    GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X- and gamma-raY techniques with film
    焊缝无损检测 射线检测 第1部分：X和伽玛射线的胶片技术    		 China National Standards
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    GB/T 12009.4-2016 (Plastics - Aromatic isocYanates for the production of polyurethane - Part 4: Determination of isocyanate content - amendment No. 1)
    塑料 聚氨酯生产用芳香族异氰酸酯 第4部分：异氰酸根含量的测定《第1号修改单》    		 China National Standards
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