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发明名称
Perfectionnements aux antennes
摘要
申请公布号
FR861974(A)
申请公布日期
1941.02.22
申请号
FRD861974
申请日期
1939.11.30
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01Q9/18
主分类号
H01Q9/18
代理机构
代理人
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