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发明名称
Annular slot antenna
摘要
申请公布号
US4994817(A)
申请公布日期
1991.02.19
申请号
US19890383785
申请日期
1989.07.24
申请人
BALL CORPORATION
发明人
MUNSON, ROBERT E.;SCHNETZER, MICHEL W.
分类号
H01Q21/24;H01Q5/00;H01Q13/16;H01Q13/18;H01Q21/00
主分类号
H01Q21/24
代理机构
代理人
主权项
地址
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