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公开(公告)号：US3171760A
公开(公告)日：1965-03-02
申请号：US27615663
申请日：1963-04-29
Applicant: ALUMINUM CO OF AMERICA
Inventor： VERNAM WILLIAM D , ANDERSON WILLIAM A
IPC: C22C21/10
CPC classification number: C22C21/10
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公开(公告)号：US3304209A
公开(公告)日：1967-02-14
申请号：US52482266
申请日：1966-02-03
Applicant: ALUMINUM CO OF AMERICA
Inventor： ANDERSON WILLIAM A , VERNAM WILLIAM D
IPC: C22C21/10
CPC classification number: C22C21/10
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