Patent search ap:("IBM") AND inv:"HEARN BRIAN RICHARD" Page 1

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发明专利
未知

公开(公告)号：DE2233453A1

公开(公告)日：1973-02-22

申请号：DE2233453

申请日：1972-07-07

Applicant: IBM

Inventor： HEARN BRIAN RICHARD , JONES ARTHUR SCOTT , KINGTON BRIAN WILLIAM , PATON ANDREW , VIGAR JAMES MICHAEL LINFORD , PASCUAL RAFAEL

IPC: G11B5/187 , G11B5/245 , G11B5/31 , G11B5/22

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