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中华人民共和国行业标准 建筑给水聚乙烯类管道建筑给水聚乙烯类管道 工程技术规程工程技术规程 Technical specification of polyethylene(PE) , Technical specification of polyethylene(PE) , crosslinked polyethylene(PE-X)and polyethylene crosslinked polyethylene(PE-X)and polyethylene of raised temperature resistance(PE-RT)pipeline of raised temperature resistance(PE-RT)pipeline engineering for water supply in buildingengineering for water supply in building CJJ/T 98-2003 CJJ/T 98-2003 J 279-2003J 279-2003 2 0 0 3 北 京
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