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发明名称
BAND FILTER CIRCUIT
摘要
申请公布号
CA382394(A)
申请公布日期
1939.06.27
申请号
CAD382394
申请日期
申请人
RADIO CORPORATION OF AMERICA
发明人
BERNARDUS D. H. TELLEGEN
分类号
主分类号
代理机构
代理人
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