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公开(公告)号：DE3677063D1
公开(公告)日：1991-02-28
申请号：DE3677063
申请日：1986-04-15
Applicant: IBM
Inventor： SOKOL GARY LEO , STEEN MICHAEL JOHN , STEPHEN DOUGLAS ALAN
IPC: G11B17/035 , G11B17/04 , G11B17/043
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