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经营范围
发明名称
Pulse receiving system
摘要
申请公布号
US2424274(A)
申请公布日期
1947.07.22
申请号
US19450613512
申请日期
1945.08.30
申请人
RADIO CORPORATION OF AMERICA
发明人
HANSELL CLARENCE W.
分类号
H03K7/04;H03K9/04;H04B13/02;H04B14/02
主分类号
H03K7/04
代理机构
代理人
主权项
地址
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