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31.Hectograph composition and blanket and method of preparing same 失效
Title translation: Hectograph成分和毯子及其制备方法公开(公告)号:US2281261A
公开(公告)日:1942-04-28
申请号:US37561641
申请日:1941-01-23
Applicant: DITTO INC
Inventor: JOHAN BJORKSTEN , CHAMPION WILLIAM J
IPC: B41M5/08
CPC classification number: B41M5/08
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公开(公告)号:US2277960A
公开(公告)日:1942-03-31
申请号:US30590039
申请日:1939-11-24
Applicant: DITTO INC
Inventor: DENISON WILLIAM E
IPC: B41L7/08
CPC classification number: B41L7/08
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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:US2267982A
公开(公告)日:1941-12-30
申请号:US26751639
申请日:1939-04-12
Applicant: DITTO INC
Inventor: STEPHEN KOKAY
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2266068A
公开(公告)日:1941-12-16
申请号:US36579240
申请日:1940-11-15
Applicant: DITTO INC
Inventor: PETERSON ERIC W , HUBERT JAGGER
IPC: B65H1/04
CPC classification number: B65H1/04
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36.
公开(公告)号:US2260506A
公开(公告)日:1941-10-28
申请号:US31292940
申请日:1940-01-08
Applicant: DITTO INC
Inventor: BOUR ROBERT C
IPC: B41M5/08
CPC classification number: B41M5/08 , Y10S106/04 , Y10S428/908 , Y10S428/909 , Y10T428/31772 , Y10T428/31775 , Y10T442/2033
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37.Preparation of relief printing sheets adapted for use in hectographic reproduction of photographs 失效
Title translation: 准备适用于照相复制照相的浮雕印刷用纸公开(公告)号:US2257105A
公开(公告)日:1941-09-30
申请号:US28220039
申请日:1939-06-30
Applicant: DITTO INC
Inventor: CHAMPION WILLIAM J
IPC: G03F7/06
CPC classification number: G03F7/06
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公开(公告)号:US2254469A
公开(公告)日:1941-09-02
申请号:US24405538
申请日:1938-12-05
Applicant: DITTO INC
Inventor: JOHAN BJORKSTEN
IPC: B41M5/04
CPC classification number: B41M5/04
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公开(公告)号:US2240041A
公开(公告)日:1941-04-29
申请号:US26773639
申请日:1939-04-13
Applicant: DITTO INC
Inventor: HOSKINS JR VILLIAM , BOUR ROBERT C
IPC: B41M5/08
CPC classification number: B41M5/08 , Y10S428/914 , Y10T442/2484
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