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公开(公告)号：US3143485A
公开(公告)日：1964-08-04
申请号：US15546661
申请日：1961-11-28
Applicant: ALUMINUM CO OF AMERICA
Inventor： KAMPERT WILLIAM P , MANHART JOSEPH H
IPC: C25D11/14
CPC classification number: C25D11/14
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公开(公告)号：US3243362A
公开(公告)日：1966-03-29
申请号：US27747163
申请日：1963-05-02
Applicant: ALUMINUM CO OF AMERICA
Inventor： MANHART JOSEPH H
IPC: C25D11/06
CPC classification number: C25D11/06
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