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公开(公告)号:US2926768A
公开(公告)日:1960-03-01
申请号:US76275358
申请日:1958-09-23
Applicant: IBM
Inventor: BECKER FRANK E , PALMER LEON E
IPC: B41J1/60
CPC classification number: B41J1/60
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23.
公开(公告)号:US2919002A
公开(公告)日:1959-12-29
申请号:US65380657
申请日:1957-04-19
Applicant: IBM
Inventor: PALMER LEON E
IPC: B41J7/60
CPC classification number: B41J7/60
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公开(公告)号:US2675113A
公开(公告)日:1954-04-13
申请号:US22828551
申请日:1951-05-25
Applicant: IBM
Inventor: BEIDERBECKE CHARLES H , PALMER LEON E
IPC: B41J17/00
CPC classification number: B41J17/00