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发明名称
Perfectionnements aux câbles téléphoniques, télégraphiques et autres, à conducteurs concentriques
摘要
申请公布号
FR829166(A)
申请公布日期
1938.06.14
申请号
FRD829166
申请日期
1937.02.09
申请人
SOCIETE ALSACIENNE DE CONSTRUCTIONS MECANIQUES
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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