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公开(公告)号:US1615358A
公开(公告)日:1927-01-25
申请号:US73405424
申请日:1924-08-25
Applicant: CHUBB ROWLAND N
Inventor: CHUBB ROWLAND N
IPC: B21D53/88
CPC classification number: B21D53/883 , Y10S359/90
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公开(公告)号:US1989348A
公开(公告)日:1935-01-29
申请号:US68486333
申请日:1933-08-12
Applicant: CHUBB ROWLAND N
Inventor: CHUBB ROWLAND N
IPC: G09F13/16
CPC classification number: G09F13/16
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公开(公告)号:US1609989A
公开(公告)日:1926-12-07
申请号:US73929124
申请日:1924-09-23
Applicant: CHUBB ROWLAND N
Inventor: CHUBB ROWLAND N
IPC: G09F9/37
CPC classification number: G09F9/37
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公开(公告)号:US1933657A
公开(公告)日:1933-11-07
申请号:US64140532
申请日:1932-11-05
Applicant: CHUBB ROWLAND N
Inventor: CHUBB ROWLAND N
IPC: G09F13/06
CPC classification number: G09F13/06
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公开(公告)号:US1755315A
公开(公告)日:1930-04-22
申请号:US22799927
申请日:1927-10-22
Applicant: CHUBB ROWLAND N
Inventor: CHUBB ROWLAND N
IPC: G09F13/06
CPC classification number: G09F13/06 , Y10S362/812
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公开(公告)号:US1577609A
公开(公告)日:1926-03-23
申请号:US71007324
申请日:1924-04-30
Applicant: CHUBB ROWLAND N
Inventor: CHUBB ROWLAND N
IPC: G09F9/37
CPC classification number: G09F9/37
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