China National Standards

China Plumbing pipe Industry Standards English PDF List

  •  China " Plumbing pipe" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 5036-2017 (Plumbing pipe fittings)
    水暖管道配件 铜管路快速卡压管件    		 China Light Industry Standards
    Plumbing pipe
    English PDF

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