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公开(公告)号:US3437074A
公开(公告)日:1969-04-08
申请号:US3437074D
申请日:1964-12-21
Applicant: IBM
Inventor: HAGOPIAN JACOB J , STEELE WILLIAM E
CPC classification number: G03G15/09
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公开(公告)号:US3063041A
公开(公告)日:1962-11-06
申请号:US75590558
申请日:1958-08-19
Applicant: IBM
Inventor: QUADE EDWARD A , STEELE WILLIAM E
CPC classification number: G11B19/20 , F16C17/04 , F16C17/10 , F16C32/0614 , F16C32/0692 , F16C32/0696 , F16C33/101 , F16C41/00 , G11B5/004 , Y10T29/49639
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