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公开(公告)号：US3465958A
公开(公告)日：1969-09-09
申请号：US3465958D
申请日：1967-09-07
Applicant: IBM
Inventor： GUNDERSON PAUL E , KULTERMAN ROBERT W , STOCKDALE NORMAN S
CPC classification number: G06K1/02 , G06K1/06 , Y10T83/444 , Y10T83/4625 , Y10T83/8765
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