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公开(公告)号:US2351863A
公开(公告)日:1944-06-20
申请号:US44049442
申请日:1942-04-25
Applicant: DITTO INC
Inventor: LEVENHAGEN ARTHUR J , CHAMPION WILLIAM J
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2266880A
公开(公告)日:1941-12-23
申请号:US26767139
申请日:1939-04-13
Applicant: DITTO INC
Inventor: LEVENHAGEN ARTHUR J
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2416449A
公开(公告)日:1947-02-25
申请号:US55610544
申请日:1944-09-28
Applicant: DITTO INC
Inventor: LEVENHAGEN ARTHUR J
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2465160A
公开(公告)日:1949-03-22
申请号:US52468644
申请日:1944-03-02
Applicant: DITTO INC
Inventor: LEVENHAGEN ARTHUR J , CHAMPION WILLIAM J
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2260040A
公开(公告)日:1941-10-21
申请号:US35840640
申请日:1940-09-26
Applicant: DITTO INC
Inventor: LEVENHAGEN ARTHUR J , MORRISON ROBERT F
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