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发明名称
Reduction of noise
摘要
申请公布号
US2151778(A)
申请公布日期
1939.03.28
申请号
US19360071380
申请日期
1936.03.28
申请人
RADIO CORPORATION OF AMERICA
发明人
LANDON VERNON D.
分类号
H03G3/26;H03G11/04
主分类号
H03G3/26
代理机构
代理人
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地址
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