兑水 发表于 2009-11-28 13:43:57

ASTM F 1055-1998 外径控制的聚乙烯管和管路用电熔型聚乙烯配件

F1055-98e1 Standard Specification for Electrofusion Type Polyethylene Fittings for Outside Diameter Controlled Polyethylene Pipe and Tubing
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