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公开(公告)号：US3248236A
公开(公告)日：1966-04-26
申请号：US22164662
申请日：1962-08-09
Applicant: DITTO INC
Inventor： RACZYNSKI WALTER A , QUOSS ROBERT N
IPC: B41M5/04
CPC classification number: B41M5/04
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