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发明名称
Electrical wave resonant line filter
摘要
申请公布号
US2174963(A)
申请公布日期
1939.10.03
申请号
US19380205142
申请日期
1938.04.30
申请人
RADIO CORPORATION OF AMERICA
发明人
BRAATEN ARTHUR M.
分类号
H03D7/18
主分类号
H03D7/18
代理机构
代理人
主权项
地址
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