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公开(公告)号：US3005676A
公开(公告)日：1961-10-24
申请号：US59028656
申请日：1956-06-08
Applicant: BURROUGHS CORP
Inventor： BEST DONALD T , DRUKER HARVEY A , OTTO HOHNECKER
CPC classification number: G11B5/54 , G11B5/6005
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