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公开(公告)号:US2076572A
公开(公告)日:1937-04-13
申请号:US5654635
申请日:1935-12-28
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003 , Y10S411/914
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公开(公告)号:US2076569A
公开(公告)日:1937-04-13
申请号:US5654335
申请日:1935-12-28
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2026579A
公开(公告)日:1936-01-07
申请号:US1963035
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: DEAN WALTER A , JANCURA CHARLES G
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2026568A
公开(公告)日:1936-01-07
申请号:US1961935
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026561A
公开(公告)日:1936-01-07
申请号:US1961235
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026559A
公开(公告)日:1936-01-07
申请号:US1961035
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026556A
公开(公告)日:1936-01-07
申请号:US1960735
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026550A
公开(公告)日:1936-01-07
申请号:US68988933
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: DEAN WALTER A , JANCURA CHARLES G
IPC: C22C21/00
CPC classification number: C22C21/003
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公开(公告)号:US2026544A
公开(公告)日:1936-01-07
申请号:US68988233
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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公开(公告)号:US2026542A
公开(公告)日:1936-01-07
申请号:US68988033
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
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