ansi 9standards0 code issues - ansi 431 question

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huangyhg

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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