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公开(公告)号：US3482211A
公开(公告)日：1969-12-02
申请号：US3482211D
申请日：1965-06-07
Applicant: IBM
Inventor： CLARIS NICHOLAS DE , GREESON JAMES C JR , HORGAN THOMAS B
CPC classification number: G06K9/186 , G06K9/64 , H03K5/2418
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