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发明名称
Frequency control
摘要
申请公布号
US2312079(A)
申请公布日期
1943.02.23
申请号
US19400355592
申请日期
1940.09.06
申请人
RADIO CORPORATION OF AMERICA
发明人
CROSBY MURRAY G.
分类号
H03C3/09
主分类号
H03C3/09
代理机构
代理人
主权项
地址
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