China National Standards

China Backflow freventer intermediate Industry Standards English PDF List

  •  China "Backflow freventer intermediate" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    CJ/T 344-2010 Backflow freventer with intermediate atmospheric vent
    中间腔空气隔断型倒流防止器    		 China Urban Construction industry Standards
    Backflow freventer intermediate
    English PDF

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