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发明名称
Annular magnet head of the kind comprising a solid core for magnetic recording and reproduction
摘要
申请公布号
US2870266(A)
申请公布日期
1959.01.20
申请号
US19530389044
申请日期
1953.10.29
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
WESTMIJZE WILLEM KLAAS
分类号
G11B5/127
主分类号
G11B5/127
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代理人
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