China National Standards

China Design legend water Industry Standards English PDF List

  •  China "Design legend water" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SH 3089-1998 Design legend of water supply and drainage piping for petrochemical industry
    石油化工给水排水管道设计图例    		 China Petrochemical Industry Standards
    Design legend water
    English PDF

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