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发明名称
Perfectionnements aux conducteurs coaxiaux
摘要
申请公布号
FR840411(A)
申请公布日期
1939.04.25
申请号
FRD840411
申请日期
1938.07.06
申请人
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES
发明人
分类号
H01B11/18
主分类号
H01B11/18
代理机构
代理人
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