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发明名称
Ultra high frequency system
摘要
申请公布号
US2277638(A)
申请公布日期
1942.03.24
申请号
US19390280020
申请日期
1939.06.20
申请人
RADIO CORPORATION OF AMERICA
发明人
GEORGE RALPH W.
分类号
H03H5/00
主分类号
H03H5/00
代理机构
代理人
主权项
地址
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