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公开(公告)号:US2372712A
公开(公告)日:1945-04-03
申请号:US42120641
申请日:1941-12-01
Applicant: SMITH CORP A O
Inventor: CRAWFORD WILLIAM E
IPC: F24H1/18
CPC classification number: F24H1/183 , Y10S220/917
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公开(公告)号:US2366528A
公开(公告)日:1945-01-02
申请号:US43397042
申请日:1942-03-09
Applicant: SMITH CORP A O
Inventor: HEATH WILLIAM C
IPC: B29C47/20
CPC classification number: B29C47/02 , B29C47/0014 , B29C47/20
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公开(公告)号:US2361636A
公开(公告)日:1944-10-31
申请号:US45541142
申请日:1942-08-20
Applicant: SMITH CORP A O
Inventor: KOPPEL ERNST R
IPC: F16L41/08
CPC classification number: F16L41/084 , Y10T29/49428
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公开(公告)号:US2359446A
公开(公告)日:1944-10-03
申请号:US42206141
申请日:1941-12-08
Applicant: SMITH CORP A O
Inventor: SCUDDER CHARLES M
IPC: B23K31/02
CPC classification number: B23K31/02 , Y10T29/49863
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公开(公告)号:US2357170A
公开(公告)日:1944-08-29
申请号:US35037140
申请日:1940-08-03
Applicant: SMITH CORP A O
Inventor: BURGGRAF ALBERT W
IPC: B23K9/035
CPC classification number: B23K9/035
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公开(公告)号:US2357109A
公开(公告)日:1944-08-29
申请号:US44061742
申请日:1942-04-27
Applicant: SMITH CORP A O
Inventor: HEATH WILLIAM C
IPC: B24B5/40
CPC classification number: B24B5/40
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公开(公告)号:US2352332A
公开(公告)日:1944-06-27
申请号:US45300442
申请日:1942-07-31
Applicant: SMITH CORP A O
Inventor: LIMPEL EUGENE J
IPC: H05B6/36
CPC classification number: H05B6/365
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公开(公告)号:US2348011A
公开(公告)日:1944-05-02
申请号:US33596440
申请日:1940-05-18
Applicant: SMITH CORP A O
Inventor: KOPPEL ERNST R
IPC: F23D14/04
CPC classification number: F23D14/04
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公开(公告)号:US2343440A
公开(公告)日:1944-03-07
申请号:US39360641
申请日:1941-05-15
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
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公开(公告)号:US2340738A
公开(公告)日:1944-02-01
申请号:US39123841
申请日:1941-05-01
Applicant: SMITH CORP A O
Inventor: DILLEY GARNETT D
IPC: E21B4/02
CPC classification number: E21B4/02 , Y10S415/903
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