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公开(公告)号:US3519801A
公开(公告)日:1970-07-07
申请号:US3519801D
申请日:1965-02-15
Applicant: IBM
Inventor: NIELSEN GLEN F , REX DONALD K , SCHOPP ROBERT E , WILSON LAWRENCE A
CPC classification number: G06K13/02
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公开(公告)号:US3207505A
公开(公告)日:1965-09-21
申请号:US24772062
申请日:1962-12-27
Applicant: IBM
Inventor: NIELSEN GLEN F , WILSON LAWRENCE A , REX DONALD K
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