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发明名称
REVETEMENT POUR ENREGISTREMENT MAGNETIQUE
摘要
申请公布号
BE768176(A1)
申请公布日期
1971.12.07
申请号
BE19710768176
申请日期
1971.06.07
申请人
INTERNATIONAL BUSINESS MACHINES CORP., ARMONK 10 504, NEW YORK(E.U.A.)
发明人
J.E. HAEFELE;C.R. HAWKINS;R.E. KUBEC.
分类号
C09D5/23;G11B5/708;(IPC1-7):G11B/;H01F/
主分类号
C09D5/23
代理机构
代理人
主权项
地址
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