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发明名称
Demagnetization system
摘要
申请公布号
US2826643(A)
申请公布日期
1958.03.11
申请号
US19530383192
申请日期
1953.09.30
申请人
RADIO CORPORATION OF AMERICA
发明人
GREINER BRUCE R.
分类号
G11B5/024
主分类号
G11B5/024
代理机构
代理人
主权项
地址
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