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公开(公告)号:US3308451A
公开(公告)日:1967-03-07
申请号:US33177463
申请日:1963-12-19
Applicant: IBM
Inventor: BLACKLEY CHARLES L , THOMPSON HERBERT E
IPC: G06K19/02
CPC classification number: G06K19/02
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公开(公告)号:CA791892A
公开(公告)日:1968-08-06
申请号:CA791892D
Applicant: IBM
Inventor: BLACKLEY CHARLES L , THOMPSON HERBERT E
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