兑水 发表于 2009-12-2 18:58:06

ASTM F 1732-1996 聚氯乙烯（PVC）污水管和排水管含再生PV...

F1732-96 Standard Specification for Poly(Vinyl Chloride) (PVC) Sewer and Drain Pipe Containing Recycled PVC Material
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