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发明名称
Multiple frequency source
摘要
申请公布号
US2354800(A)
申请公布日期
1944.08.01
申请号
US19410405758
申请日期
1941.08.07
申请人
RADIO CORPORATION OF AMERICA
发明人
DEAL HARMON B.
分类号
H03B21/02
主分类号
H03B21/02
代理机构
代理人
主权项
地址
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