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发明名称
DISPOSITIF POUR LA DETECTION D'UN BRANCHEMENT NON AUTORISE SUR UNE LIGNE TELEPHONIQUE D'ABONNE.
摘要
申请公布号
FR2672757(B1)
申请公布日期
1999.02.26
申请号
FR19910001486
申请日期
1991.02.08
申请人
FRANCE TELECOM
发明人
CORNEUX MICHEL
分类号
H04M1/68;(IPC1-7):H04M1/68
主分类号
H04M1/68
代理机构
代理人
主权项
地址
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