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ansi 9standards0 code issues - ansi 431 question

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发表于 2009-9-5 15:48:11 | 显示全部楼层 |阅读模式
ansi ansi  431 question
could anyone tell me what ansi  431 refers to?  is this a type of stainless steel or is it a standard?  the ansi  website doesn't seem to have any information on ansi  431.  any help would be appreciated.  thanks
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