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发明名称
Radio tuning drive mechanism
摘要
申请公布号
US2557217(A)
申请公布日期
1951.06.19
申请号
US19500140185
申请日期
1950.01.24
申请人
RADIO CORPORATION OF AMERICA
发明人
DAWSON ERNEST D.
分类号
H03J1/14
主分类号
H03J1/14
代理机构
代理人
主权项
地址
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