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公开(公告)号:BE576937A
公开(公告)日:1959-07-16
申请号:BE576937
申请日:1959-03-20
Applicant: IBM
Inventor: MUHLBAUER KARL
IPC: G06K
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公开(公告)号:CA687459A
公开(公告)日:1964-05-26
申请号:CA687459D
Applicant: IBM
Inventor: FRANTZ HERMANN , HASLER WERNER , WACKER HANS-MARTIN , SEIDEL ERICH , MUHLBAUER KARL
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