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发明名称
Procédé et dispositifs perfectionnés pour la transmission des signaux électriques
摘要
申请公布号
FR754760(A)
申请公布日期
1933.11.14
申请号
FRD754760
申请日期
1933.04.26
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
H04B3/20
主分类号
H04B3/20
代理机构
代理人
主权项
地址
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