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发明名称
Frequency modulator
摘要
申请公布号
US2341040(A)
申请公布日期
1944.02.08
申请号
US19400366546
申请日期
1940.11.22
申请人
RADIO CORPORATION OF AMERICA
发明人
HATHAWAY JARRETT LEWIS
分类号
H03C3/14
主分类号
H03C3/14
代理机构
代理人
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地址
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