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发明名称
Frequency control
摘要
申请公布号
US2354827(A)
申请公布日期
1944.08.01
申请号
US19410394761
申请日期
1941.05.23
申请人
RADIO CORPORATION OF AMERICA
发明人
PETERSON HAROLD O.
分类号
H03J7/16
主分类号
H03J7/16
代理机构
代理人
主权项
地址
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