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发明名称
Frequency modulation converter
摘要
申请公布号
US2286997(A)
申请公布日期
1942.06.16
申请号
US19410393537
申请日期
1941.05.15
申请人
RADIO CORPORATION OF AMERICA
发明人
HUNT SEYMOUR
分类号
H03D3/22
主分类号
H03D3/22
代理机构
代理人
主权项
地址
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