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公开(公告)号:DE2460317A1
公开(公告)日:1975-07-10
申请号:DE2460317
申请日:1974-12-20
Applicant: IBM
Inventor: ANDREWS LAWRENCE PAUL , ROX RAYMOND GRAHAM , LUDEMAN CLAYTON POTTER , ROUNDS JUN THOMAS WILBUR , SCUDERI VICTOR ANTHONY , STRAIT DOUGLAS HOWARD
IPC: G11B27/34 , G09B7/04 , G09B7/08