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公开(公告)号：DE1915548A1
公开(公告)日：1969-10-02
申请号：DE1915548
申请日：1969-03-27
Applicant: IBM
Inventor： RONALD BEACH JUN LAURENCE , HENRY KALTHOFF CLEMENT , BOULDER COL , JAMES BLACK ROBERT
IPC: G11B5/54 , G11B5/55 , H02K41/035 , H02K41/02
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