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公开(公告)号:US2761539A
公开(公告)日:1956-09-04
申请号:US47832654
申请日:1954-12-29
Applicant: IBM
Inventor: FURMAN FRANK J , JOHN SEDOR
IPC: B41J31/16
CPC classification number: B41J31/16
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公开(公告)号:US3182876A
公开(公告)日:1965-05-11
申请号:US33240063
申请日:1963-12-23
Applicant: IBM
Inventor: JOHN SEDOR , STRUP JR CHARLES F
CPC classification number: B41L1/12 , B41L1/00 , Y10T225/357
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