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经营范围
发明名称
Circularly polarised microwave antenna having an axial radiation
摘要
申请公布号
GB811611(A)
申请公布日期
1959.04.08
申请号
GB19570015227
申请日期
1957.05.14
申请人
ROLAND ALBERT ALLEZARD
发明人
分类号
H01Q21/24
主分类号
H01Q21/24
代理机构
代理人
主权项
地址
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