wjp123 发表于 2014-2-20 22:40:56

JIS G 3321-2005|Hot-dip 55% aluminium-zinc alloy-coated steel sheets and coils


编号：bz-2960
标准名称:JIS G 3321-2005|Hot-dip 55% aluminium-zinc alloy-coated steel sheets and coils
标准格式：rar
标准大小：N/A
标准简介：<br />0

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cycgov1 发表于 2014-8-26 05:35:18

这个得认真研究！！
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