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原帖由 xjinxjtu 于 2007-4-13 12:46 发表 http://www.3dportal.cn/discuz/images/common/back.gif - r! T" N& U* U5 C. @, Z u8 s; G- IISO 11408( Chemical Conversion Coatings - Black Oxide Coating on Iron and Steel - Specification and Test Methods.)% U$ p; a4 {; [ ) f6 I% N6 E( \: S5 ~ ISO 8081 (Aerospace process; Chemical conversion coating for aluminium alloys ...
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