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1.
公开(公告)号:US2482636A
公开(公告)日:1949-09-20
申请号:US65669846
申请日:1946-03-23
Applicant: DITTO INC
Inventor: PETERSON ERIC W , CAMPHOUSE JOHN J
IPC: B41L7/08
CPC classification number: B41L7/08
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公开(公告)号:US2518221A
公开(公告)日:1950-08-08
申请号:US61666545
申请日:1945-09-17
Applicant: DITTO INC
Inventor: CAMPHOUSE JOHN J
IPC: B65H9/06
CPC classification number: B65H9/06
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公开(公告)号:US2492377A
公开(公告)日:1949-12-27
申请号:US59117945
申请日:1945-04-30
Applicant: DITTO INC
Inventor: CAMPHOUSE JOHN J
IPC: B41L7/08
CPC classification number: B41L7/08
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