兑水 发表于 2009-12-1 07:43:31

ASTM F 1504-2002 现有污水管和下水管修复用波纹聚氯乙烯管...

F1504-02 Standard Specification for Folded Poly(Vinyl Chloride) (PVC) Pipe for Existing Sewer and Conduit Rehabilitation
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