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公开(公告)号：DE1524786A1
公开(公告)日：1970-10-08
申请号：DE1524786
申请日：1967-05-18
Applicant: IBM
Inventor： PETER LOUIS HELMUT , METHFESSEL SIEGFRIED
IPC: G11B11/105 , G11C13/06 , G02F1/22
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