兑水 发表于 2009-9-10 08:08:58

ASTM A 918-2000 要求在每一面标识有涂层质量用电解工艺...

A918-00 Standard Specification for Steel Sheet, Zinc-Nickel Alloy Coated by the Electrolytic Process for Applications Requiring Designation of the Coating Mass on Each Surface
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