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公开(公告)号:US2040075A
公开(公告)日:1936-05-12
申请号:US328935
申请日:1935-01-24
Applicant: DITTO INC
Inventor: BROWER PAUL V
IPC: B41M5/04
CPC classification number: B41M5/04
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公开(公告)号:US2138836A
公开(公告)日:1938-12-06
申请号:US328835
申请日:1935-01-24
Applicant: DITTO INC
Inventor: BROWER PAUL V
IPC: B41M5/04
CPC classification number: B41M5/04
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公开(公告)号:US2077874A
公开(公告)日:1937-04-20
申请号:US74311434
申请日:1934-09-07
Applicant: DITTO INC
Inventor: BROWER PAUL V
IPC: C09D11/02
CPC classification number: C09D11/033
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