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公开(公告)号:US3103656A
公开(公告)日:1963-09-10
申请号:US70590857
申请日:1957-12-30
Applicant: IBM
Inventor: LAMAN WILLIAM H , NORRIS JOHN B
IPC: G06K13/24
CPC classification number: G06K13/24
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公开(公告)号:US2934753A
公开(公告)日:1960-04-26
申请号:US70409057
申请日:1957-12-20
Applicant: IBM
Inventor: LAMAN WILLIAM H
IPC: G06K13/24
CPC classification number: G06K13/24
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