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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 "IT" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 4166-1984 Methods of test of variable capacITors in electronic equipment
    电子设备用可变电容器的试验方法
    China National Standards
    IT

    English PDF
    GB/T 4133-1984 The type and dimensions for posITive drive of Morse tapers
    莫氏圆锥的强制传动型式及尺寸
    China National Standards
    IT

    English PDF
    GB/T 4072-1983 Measuring method of the phosphor excITed by cathod rays
    阴极射线致荧光粉测试方法
    China National Standards
    IT

    English PDF
    GB/T 4071-1983 Measuring method for the phosphor excITed by light
    光致荧光粉测试方法
    China National Standards
    IT

    English PDF
    GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic swITching network
    电话自动交换网多频记发器信号技术指标测试方法
    China National Standards
    IT

    English PDF
    GB 3971.2-1983 Interoffice junction digITal line signalling system for telephone automatic switching network
    电话自动交换网局间中继数字型线路信号方式
    China National Standards
    IT

    English PDF
    GB/T 3996-1983 Shaped thermal insulating products--DiatomITe bricks and shapes
    硅藻土隔热制品
    China National Standards
    IT

    English PDF
    GB/T 3974-1983 Telephone transmission interference allowances for long-distance high-capacITy analogue microwave communication systems
    大容量长距离模拟微波通信干线电话传输干扰容限
    China National Standards
    IT

    English PDF
    GB/T 3948-1983 Test method of three primary colors chromaticITy coordinates for TV
    电视三基色色度坐标测试方法
    China National Standards
    IT

    English PDF
    GB/T 3911-1983 Graphical representations of the control characters of 7-bIT coded character set for information processing
    信息处理用七位编码字符集控制字符的图形表示
    China National Standards
    IT

    English PDF
    GB/T 3850-1983 Impermeable sintered metal materials and hardmetals--Determination of densITy
    致密烧结金属材料与硬质合金密度测定方法
    China National Standards
    IT

    English PDF
    GB/T 3848-1983 Hardmetals--Determination of (the magnetization) coercivITy
    硬质合金矫顽 (磁) 力测定方法
    China National Standards
    IT

    English PDF
    GB/T 3770-1983 Determination of sound power level for noise emITted by woodworking machinery
    木工机床噪声声功率级的测定
    China National Standards
    IT

    English PDF
    GB/T 3762-1983 BITe type tube fittings--Tipping washer
    卡套式管接头用尖角密封垫圈
    China National Standards
    IT

    English PDF
    GB/T 3761-1983 BITe type tube fittings--Pressure bush for butt joints
    卡套式管接头用锥体环
    China National Standards
    IT

    English PDF
    GB/T 3668.9-1983 Modular unITs for machine tool construction--Spindle units--Dimensions
    组合机床通用部件 主轴部件尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.8-1983 Modular unITs for machine tool construction--Wing base for columns--Dimensions
    组合机床通用部件 立柱侧底座尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.7-1983 Modular unITs for machine tool construction--Centre bases and columns--Dimensions
    组合机床通用部件 中间底座和立柱尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.6-1983 Modular unITs for machine tool construction--Wing bases for slide units--Dimensions
    组合机床通用部件 滑台侧底座尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.5-1983 Modular unITs for machine tool construction--Headstocks--Dimensions
    组合机床通用部件 动力箱尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.4-1983 Modular unITs for machine tool construction--Slide units--Dimensions
    组合机床通用部件 滑台尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.3-1983 Modular unITs for machine tool construction--Rotary tables and multi-sided centre bases for rotary tables--Dimensions
    组合机床通用部件 回转工作台和回转工作台用多边形中间底座尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.2-1983 Modular unITs for machine tool construction--Support brackets--Dimensions
    组合机床通用部件 支架尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.13-1983 Modular unITs for machine tool construction--Tenon drive and flanges for mounting multi-spindle heads--Dimensions
    组合机床通用部件 安装多轴箱用的法兰盘和端面传动键尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.12-1983 Modular unITs for machine tool construction--Floor-mounted type--Integral way columns--Dimensions
    组合机床通用部件 落地式有导轨立柱尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.1-1983 Modular unITs for machine tool construction--Multi-spindle heads--Casing and input drive shaft dimensions
    组合机床通用部件 多轴箱箱体和输入轴尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.11-1983 Modular unITs for machine tool construction--Integral way columns--Dimensions
    组合机床通用部件 有导轨立柱尺寸
    China National Standards
    IT

    English PDF
    GB/T 3668.10-1983 Modular unITs for machine tool construction--Spindle noses and adjustable adaptors for multi-spindle heads--Dimensions
    组合机床通用部件 多轴箱主轴端部和可调接杆尺寸
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 3468-1983 General edITorial rule for retrieval periodicals
    检索期刊编辑总则
    China National Standards
    IT

    English PDF
    GB/T 3455-1982 Electrical characteristics for unbalanced double-current interchange circuITs
    非平衡双流接口电路的电特性
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 3383-1982 Telecommunication transmission unIT--Decibel
    电信传输单位 分贝
    China National Standards
    IT

    English PDF
    GB 3380-1982 Ringing and tone for telephone automatic swITching network
    电话自动交换网铃流和信号音
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 3307-1982 Method of heater intermITtent test of low-power electronic tubes
    小功率电子管灯丝断续试验方法
    China National Standards
    IT

    English PDF
    GB 3234-1982 Diagnostic crITeria and principles of management of industrial fluorosis
    工业性氟病诊断标准及处理原则
    China National Standards
    IT

    English PDF
    GB 3233-1982 Diagnostic crITeria and principles of management of occupational chronic carbon disulfide poisoning
    职业性慢性二硫化碳中毒诊断标准及处理原则
    China National Standards
    IT

    English PDF
    GB 3232-1982 Diagnostic crITeria and principles of management of occupational chronic manganism
    职业性慢性锰中毒诊断标准及处理原则
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 3143-1982 Colour determination method of liquid chemicals (Hazen unIT--platinum-cobalt scale)
    液体化学产品颜色测定法 (Hazen单位--铂-钴色号)
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 3238-1982 Acoustical levels and refrence quantITies
    声学量的级及其基准值
    China National Standards
    IT

    English PDF
    GB/T 2913-1982 Test for whITeness of plastics
    塑料白度试验方法
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 2541-1981 Petroleum products--Computation table for viscosITy indices
    石油产品粘度指数算表
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 2291-1980 Method for preparation of coal tar pITchs specimens
    煤沥青试验室试样的制备方法
    China National Standards
    IT

    English PDF
    GB/T 2020-1980 Recording magnetic tape wITh 9 magnetic tracks, 12.7mm width and 32 lines/mm for informationprocessing exchange
    信息处理交换用9磁道12.7毫米宽32行/毫米记录磁带
    China National Standards
    IT

    English PDF
    GB/T 1989-1980 Methods for indication of the 7-bIT encoding character set for information processing switching on 12.7 mm magnetic tape
    信息处理交换用七位编码字符集在9磁道12.7 毫米磁带上的表示方法
    China National Standards
    IT

    English PDF
    GB/T 1794-1979 Jet fuels--Determination of icing inhibITor content
    喷气燃料防冰剂含量测定法
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 1748-1979 Method of test for flexibilITy of putty coatings
    腻子膜柔韧性测定法
    China National Standards
    IT

    English PDF
    GB/T 392-1977 Determination of colloid-stabilITy of lubricating greases
    润滑脂压力分油测定法
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    GB/T 513-1977 Determination of mechanical impurITiesin lubricating greases (acid decomposition method)
    润滑脂机械杂质测定法 (酸分解法)
    China National Standards
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF
    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
    IT

    English PDF

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