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发明名称
Dispositif pour la réception et la retransmission des signaux dans les lignes téléphoniques à longue distance
摘要
申请公布号
FR812623(A)
申请公布日期
1937.05.13
申请号
FRD812623
申请日期
1936.01.16
申请人
SOCIETE D'APPLICATIONS TELEPHONIQUES
发明人
LEBEDINSKY MYRON;DORBEC LUCIEN
分类号
H04Q1/442
主分类号
H04Q1/442
代理机构
代理人
主权项
地址
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