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发明名称
Magnetic heads and replaceable pole cap assemblies therefor
摘要
申请公布号
US2861135(A)
申请公布日期
1958.11.18
申请号
US19560563278
申请日期
1956.02.03
申请人
RADIO CORPORATION OF AMERICA
发明人
RETTINGER MICHAEL
分类号
G11B5/187
主分类号
G11B5/187
代理机构
代理人
主权项
地址
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