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经营范围
发明名称
Improvements in antenna systems
摘要
申请公布号
GB664330(A)
申请公布日期
1952.01.02
申请号
GB19490026319
申请日期
1949.10.13
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01Q13/12;H01Q21/20
主分类号
H01Q13/12
代理机构
代理人
主权项
地址
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