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发明名称
HIGH FREQUENCY COUPLING SYSTEM
摘要
申请公布号
CA382347(A)
申请公布日期
1939.06.27
申请号
CAD382347
申请日期
申请人
RADIO CORPORATION OF AMERICA
发明人
ALFRED H. TURNER
分类号
主分类号
代理机构
代理人
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