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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 "W" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 2689.4-1981 Life test and acceleration life test--Optimal linear deflection-free--Evaluation of Weibull distributions
    寿命试验和加速寿命试验的最好线性无偏估计法(用于威布尔分布)
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    GB/T 2689.3-1981 Life test and acceleration life test--Simple linear deflection-free--Evaluation ofWeibull distributions
    寿命试验和加速寿命试验的简单线性无偏估计法(用于威布尔分布)
    China National Standards
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    GB/T 2689.2-1981 Life test and acceleration life test charts--Evaluation of their Weibull distributions
    寿命试验和加速寿命试验的图估计法 (用于威布尔分布)
    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 2426-1981 Breeding stock--Xinjiang fine-Wool sheep
    新疆细毛羊
    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/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
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    GB 2017-1980 Covering technique of the medium-Wave broadcastingnetwork
    中波广播网覆盖技术
    China National Standards
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    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
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    GB/T 598-1980 Marine bronze external screWed packed cocks
    船用外螺纹青铜填料旋塞
    China National Standards
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    GB 2017-1980 Covering technique of the medium-Wave broadcastingnetwork
    中波广播网覆盖技术
    China National Standards
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    GB/T 1814-1979 Inspection method for steel Work fractures
    钢材断口检验法
    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 1726-1979 Methods of test for hiding poWer of paints
    涂料遮盖力测定法
    China National Standards
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    GB/T 260-1977 Determination of Water content in petroleum products
    石油产品水分测定法
    China National Standards
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    GB/T 974-1976 ScreWs,cross recessed,120° raised countersunkhead
    十字槽120°半沉头螺钉
    China National Standards
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    GB/T 973-1976 ScreWs,cross recessed,oval head
    十字槽扁圆头螺钉
    China National Standards
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    GB/T 512-1965 Determination of Water content in lubricating greases
    润滑脂水分测定法
    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
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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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