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公开(公告)号:US2311623A
公开(公告)日:1943-02-23
申请号:US37765641
申请日:1941-02-06
Applicant: ALUMINUM CO OF AMERICA
Inventor: BLACKMUN EDWARD V , MIKULA MICHAEL P
IPC: C23C22/67
CPC classification number: C23C22/67 , Y10S206/819
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公开(公告)号:US2377606A
公开(公告)日:1945-06-05
申请号:US34801840
申请日:1940-07-27
Applicant: ALUMINUM CO OF AMERICA
Inventor: BLACKMUN EDWARD V , MIKULA MICHAEL P
IPC: C23C18/31
CPC classification number: C23C18/31
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