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发明名称
Perfectionnements apportés aux antennes pour télévision
摘要
申请公布号
FR974560(A)
申请公布日期
1951.02.23
申请号
FRD974560
申请日期
1941.09.20
申请人
发明人
FRANCE HENRI-GEORGES DE
分类号
H01Q11/04
主分类号
H01Q11/04
代理机构
代理人
主权项
地址
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