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发明名称
Automatic frequency control circuit
摘要
申请公布号
US2128997(A)
申请公布日期
1938.09.06
申请号
US19370136064
申请日期
1937.04.10
申请人
RADIO CORPORATION OF AMERICA
发明人
FOSTER DUDLEY E.
分类号
H03J7/04
主分类号
H03J7/04
代理机构
代理人
主权项
地址
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