China National Standards

China preventer GB Standards List


  •  China "preventer" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 39187-2020 Jack up conductor/blow out preventer tension compensation system
    自升式平台隔水管/防喷器张力补偿系统
    preventer
    China GB-National Standards

    English PDF
    GB/T 25178-2020 Reduced-pressure type backflow preventer
    减压型倒流防止器
    preventer
    China GB-National Standards

    English PDF
    GB/T 25178-2010 Reduced-pressure type backflow preventer
    减压型倒流防止器
    preventer
    China National Standards

    English PDF

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