兑水 发表于 2009-12-8 10:41:26

ASTM F 2307-2003 基于控制内径的系列10聚氯乙烯封闭外形重...

F2307-03 Standard Specification for Series 10 Poly(Vinyl Chloride) (PVC) Closed Profile Gravity Pipe and Fittings Based on Controlled Inside Diameter
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