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发明名称
Radio receiver
摘要
申请公布号
US2239772(A)
申请公布日期
1941.04.29
申请号
US19390276582
申请日期
1939.05.31
申请人
RADIO CORPORATION OF AMERICA
发明人
BEIZER HAROLD H.
分类号
H03J9/00
主分类号
H03J9/00
代理机构
代理人
主权项
地址
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