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1.发明授权
公开(公告)号：US3349702A
公开(公告)日：1967-10-31
申请号：US53507566
申请日：1966-03-17
Applicant: XEROX CORP
Inventor： NESIN DANIEL J , GREEN LELAND D , WITOLD KRYNICKI
CPC classification number: G06K15/14 , G03G15/2014 , G03G15/2064 , G03G15/321 , Y10S101/37
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