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公开(公告)号:US2941739A
公开(公告)日:1960-06-21
申请号:US74154458
申请日:1958-06-12
Applicant: IBM
Inventor: BURKE THOMAS ULIC , HUGHES FREDERICK GEORGE , HANS REICHLE , VINSON THOMAS LEON
CPC classification number: G06K17/0012 , G11B15/66 , G11B15/6835
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公开(公告)号:DE1449024B1
公开(公告)日:1970-07-09
申请号:DEI0028245
申请日:1959-06-10
Applicant: IBM DEUTSCHLAND
Inventor: BURKE THOMAS ULIC , HUGHES FREDERICK GEORGE , REICHLE HANS , VINSON THOMAS LEON
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