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公开(公告)号:US2268045A
公开(公告)日:1941-12-30
申请号:US32316440
申请日:1940-03-09
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
IPC: B41L11/08
CPC classification number: B41L11/08
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公开(公告)号:US2194560A
公开(公告)日:1940-03-26
申请号:US14907437
申请日:1937-06-19
Applicant: DITTO INC
Inventor: ALFRED MARCHEV , KEIL HENRY P
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公开(公告)号:US2142449A
公开(公告)日:1939-01-03
申请号:US5426935
申请日:1935-12-13
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2105195A
公开(公告)日:1938-01-11
申请号:US14138637
申请日:1937-05-08
Applicant: DITTO INC
Inventor: ALFRED MARCHEV , LEACH VERLIN M
IPC: B65H1/04
CPC classification number: B65H1/02 , B65H2405/3312
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公开(公告)号:US2075950A
公开(公告)日:1937-04-06
申请号:US1464835
申请日:1935-04-04
Applicant: DITTO INC
Inventor: ALFRED MARCHEV , MCCAIN CECIL C
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公开(公告)号:US2067199A
公开(公告)日:1937-01-12
申请号:US5852336
申请日:1936-01-10
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
IPC: B41L11/00
CPC classification number: B41L11/00 , B41P2700/10
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公开(公告)号:US2065385A
公开(公告)日:1936-12-22
申请号:US4452335
申请日:1935-10-11
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
IPC: B41L5/06
CPC classification number: B41L5/06
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8.Hinged pressure roller and paper guide for duplicator carriages 失效
Title translation: 用于复印机托架的铰链压力辊和纸张导轨公开(公告)号:US2040393A
公开(公告)日:1936-05-12
申请号:US72503534
申请日:1934-05-11
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
IPC: B41L9/04
CPC classification number: B41L9/04
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公开(公告)号:US1967676A
公开(公告)日:1934-07-24
申请号:US60573032
申请日:1932-04-16
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
IPC: B41L9/08
CPC classification number: B41L9/08
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公开(公告)号:US2288290A
公开(公告)日:1942-06-30
申请号:US40257041
申请日:1941-07-16
Applicant: DITTO INC
Inventor: ALFRED MARCHEV
CPC classification number: B41F27/1262 , B41L11/00
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