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发表于 2012-4-27 11:30:59
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本帖最后由 牛丫丫 于 2012-4-27 11:33 编辑
This case may be the material not fully identified. You can do as follows steps,
1. Ask your AI how to deal with,
2) Qualification by your company, See UG-10-(C)-2, chemical and physcial tests need to be done, esspecially pay more attention to the provisions of UG-10 (b)(2)(c,d,e) |
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