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经营范围
发明名称
Neutralizing circuit
摘要
申请公布号
US2344734(A)
申请公布日期
1944.03.21
申请号
US19410405163
申请日期
1941.08.02
申请人
RADIO CORPORATION OF AMERICA
发明人
ROBERTS WALTER VAN B.
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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