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公开(公告)号：US2962370A
公开(公告)日：1960-11-29
申请号：US79450659
申请日：1959-02-20
Applicant: ALUMINUM CO OF AMERICA
Inventor： FOSTER LUTHER M , GEORGE LONG
IPC: C22B58/00
CPC classification number: C22B58/00
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公开(公告)号：US3113879A
公开(公告)日：1963-12-10
申请号：US12997561
申请日：1961-08-08
Applicant: ALUMINUM CO OF AMERICA
Inventor： FOSTER LUTHER M , GEORGE LONG
IPC: C04B35/581
CPC classification number: C04B35/581
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