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发明名称
Duennschicht-Magnetkopf
摘要
申请公布号
DE1948215(A1)
申请公布日期
1970.04.16
申请号
DE19691948215
申请日期
1969.09.24
申请人
IBM
发明人
ERIC EASTMAN DEAN;YUAN FAN GEORGE JEE
分类号
G11B5/193;G11B5/31;G11B5/33;(IPC1-7):G11B5/16
主分类号
G11B5/193
代理机构
代理人
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