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发明名称
Perfectionnements à la pupinisation des conducteurs des câbles téléphoniques
摘要
申请公布号
FR728294(A)
申请公布日期
1932.07.04
申请号
FRD728294
申请日期
1931.12.15
申请人
ETAT NEERLANDAIS (STAAT DER NEDERLANDEN)
发明人
分类号
H01B11/16
主分类号
H01B11/16
代理机构
代理人
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地址
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