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发明名称
Sealed antenna
摘要
申请公布号
US2451258(A)
申请公布日期
1948.10.12
申请号
US19430512441
申请日期
1943.12.01
申请人
RADIO CORPORATION OF AMERICA
发明人
TREVOR BERTRAM
分类号
H01Q1/02
主分类号
H01Q1/02
代理机构
代理人
主权项
地址
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