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公开(公告)号:US1534317A
公开(公告)日:1925-04-21
申请号:US60628422
申请日:1922-12-21
Applicant: ALUMINUM CO OF AMERICA
Inventor: WILLIAM HOOPES , FRARY FRANCIS C , EDWARDS JUNIUS D
IPC: C25C3/24
CPC classification number: C25C3/24
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公开(公告)号:US1534316A
公开(公告)日:1925-04-21
申请号:US60828322
申请日:1922-12-21
Applicant: ALUMINUM CO OF AMERICA
Inventor: WILLIAM HOOPES , FRARY FRANCIS C , EDWARDS JUNIUS D
IPC: C25C3/06
CPC classification number: C25C3/06
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公开(公告)号:US1453928A
公开(公告)日:1923-05-01
申请号:US54495022
申请日:1922-03-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: EDWARDS JUNIUS D
IPC: C22C21/02
CPC classification number: C22C21/02
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