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发明名称
Perfectionnements à la fabrication des câbles à conducteurs concentriques de très faible capacité
摘要
申请公布号
FR808239(A)
申请公布日期
1937.02.01
申请号
FRD808239
申请日期
1935.10.19
申请人
SOCIETE D'ETUDES POUR LIAISONS TELEPHONIQUES ET TELEGRAPHIQUES A LONGUE DISTANCE
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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