二次元叶落无声 发表于 2017-1-16 15:38:53

ISO 4422:1996(E) 给水用未增塑的聚氯乙烯(PVC-U)管和配件

ISO 4422-1996 First edition
1996-12-15
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water SUPPlY - Specifications - 给水用未增塑聚氯乙烯(PVC-U)管及配件规范
Part 1:General
Part 2: pipes(with or with integral sockets)







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admin 发表于 2017-1-16 16:51:30

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