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公开(公告)号：US3655467A
公开(公告)日：1972-04-11
申请号：US3655467D
申请日：1969-05-14
Applicant: ALUMINUM CO OF AMERICA
Inventor： SOPP ALBERT L JR
CPC classification number: C23F1/36
Abstract: Treating aluminum base alloys with a cleaning-etching solution made up of a caustic and a soluble pyro- or polyphosphate to inhibit formation of an undesirable film thereon.
Abstract translation: 用由苛性碱和可溶性焦磷酸盐或多磷酸盐组成的清洁蚀刻溶液处理铝基合金以抑制其上不希望的膜的形成。
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