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发明名称
Antenne dirigée unilatéralement
摘要
申请公布号
FR757449(A)
申请公布日期
1933.12.26
申请号
FRD757449
申请日期
1933.06.24
申请人
发明人
KOOMANS NICOLAS
分类号
H01Q21/12
主分类号
H01Q21/12
代理机构
代理人
主权项
地址
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