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公开(公告)号：DE2727532A1
公开(公告)日：1977-12-22
申请号：DE2727532
申请日：1977-06-18
Applicant: IBM
Inventor： KNUTSON GERALD ROY , SHIDLER KARL ALLEN
IPC: G11B5/10 , G11B5/11 , G11B5/187 , G11B5/265 , G11B5/40 , G11B5/60 , G11B17/022 , G11B17/032 , G11B23/50
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