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公开(公告)号:US1986205A
公开(公告)日:1935-01-01
申请号:US46188930
申请日:1930-06-18
Applicant: DITTO INC
Inventor: JOHNSON CLIFFORD N , CARR KENNETH W
IPC: B41L21/02
CPC classification number: B41L21/02
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公开(公告)号:US1894731A
公开(公告)日:1933-01-17
申请号:US13857226
申请日:1926-09-29
Applicant: DITTO INC
Inventor: CARR KENNETH W
IPC: B41N1/24
CPC classification number: B41N1/243 , Y10S260/38 , Y10T428/249963 , Y10T428/31808 , Y10T428/31851
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公开(公告)号:US1878672A
公开(公告)日:1932-09-20
申请号:US35598329
申请日:1929-04-17
Applicant: DITTO INC
Inventor: CARR KENNETH W
IPC: B41N1/24
CPC classification number: B41N1/243
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公开(公告)号:US1916203A
公开(公告)日:1933-07-04
申请号:US45060130
申请日:1930-05-07
Applicant: DITTO INC
Inventor: CARR KENNETH W
IPC: B41N1/24
CPC classification number: B41N1/243
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公开(公告)号:US1830980A
公开(公告)日:1931-11-10
申请号:US32614628
申请日:1928-12-14
Applicant: DITTO INC
Inventor: CARR KENNETH W
IPC: B41N1/24
CPC classification number: B41N1/243
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