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China bored GB Standards English PDF List


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  •  China "bored" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 31438-2015 Steel thin-walled sonic-testing tubes for concrete bored piles
    混凝土灌注桩用钢薄壁声测管
    China National Standards
    bored

    English PDF
    GB/T 22131-2008 Practice for ultrasonic examination from bored surfaces of cylindrical forgings
    筒形锻件内表面超声波检测方法
    China National Standards
    bored

    English PDF
    GB/T 6060.2-2006 Roughness comparison specimens - Ground, turned, bored, milled, shaped and planed
    表面粗糙度比较样块 磨、车、镗、铣、插及刨加工表面
    China National Standards
    bored

    English PDF

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