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经营范围
发明名称
Neutralization circuit
摘要
申请公布号
US2013098(A)
申请公布日期
1935.09.03
申请号
US19320616047
申请日期
1932.06.08
申请人
RADIO CORPORATION OF AMERICA
发明人
HANSELL CLARENCE W.
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
主权项
地址
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