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发明名称
SYSTEME DE TELEPHONE SECURISEE
摘要
申请公布号
FR2853174(B1)
申请公布日期
2005.07.08
申请号
FR20030003807
申请日期
2003.03.27
申请人
SCHLUMBERGER SYSTEMES
发明人
MENGUS JEAN PAUL
分类号
H04M7/00;H04M17/02;(IPC1-7):H04L9/12
主分类号
H04M7/00
代理机构
代理人
主权项
地址
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