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发明名称
Dual frequency antenna arrays
摘要
申请公布号
US2789286(A)
申请公布日期
1957.04.16
申请号
US19520320633
申请日期
1952.11.14
申请人
发明人
分类号
H01Q5/02
主分类号
H01Q5/02
代理机构
代理人
主权项
地址
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