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公开(公告)号:US3288984A
公开(公告)日:1966-11-29
申请号:US49059455
申请日:1955-02-25
Applicant: IBM
Inventor: BERNIER JEROME R , MADDEN ROBERT W
IPC: G06G7/80
CPC classification number: G06G7/80
公开(公告)号:US3288984A
公开(公告)日:1966-11-29
申请号:US49059455
申请日:1955-02-25
Applicant: IBM
Inventor: BERNIER JEROME R , MADDEN ROBERT W
IPC: G06G7/80
CPC classification number: G06G7/80