兑水 发表于 2009-9-10 08:25:53

ASTM A 929-2001 波纹钢管用的经热浸处理的金属镀覆薄钢板...

A929/A929M-01 Standard Specification for Steel Sheet, Metallic-Coated by the Hot-Dip Process for Corrugated Steel Pipe
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