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发明名称
HELICAL BAND ANTENNA
摘要
申请公布号
US4051481(A)
申请公布日期
1977.09.27
申请号
US19760654938
申请日期
1976.02.03
申请人
ABREU, JOAO DO ESPIRITO SANTO
发明人
ABREU, JOAO DO ESPIRITO SANTO
分类号
H01Q11/08;(IPC1-7):H01Q1/36
主分类号
H01Q11/08
代理机构
代理人
主权项
地址
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