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公开(公告)号:US2849311A
公开(公告)日:1958-08-26
申请号:US26768552
申请日:1952-01-22
Applicant: ALUMINUM CO OF AMERICA
Inventor: NEWHAMS WILLIAM C
IPC: C22C1/03
CPC classification number: C22C1/03
公开(公告)号:US2849311A
公开(公告)日:1958-08-26
申请号:US26768552
申请日:1952-01-22
Applicant: ALUMINUM CO OF AMERICA
Inventor: NEWHAMS WILLIAM C
IPC: C22C1/03
CPC classification number: C22C1/03