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公开(公告)号:US2761381A
公开(公告)日:1956-09-04
申请号:US43107254
申请日:1954-05-20
Applicant: IBM
Inventor: MANNING CLARENCE R , STENKO NICHOLAS C
CPC classification number: B41J1/48
公开(公告)号:US2761381A
公开(公告)日:1956-09-04
申请号:US43107254
申请日:1954-05-20
Applicant: IBM
Inventor: MANNING CLARENCE R , STENKO NICHOLAS C
CPC classification number: B41J1/48