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发明名称
Verfahren zur Sicherung der Vertraulichkeit einer Audioverbindung und lokales Telekommunikationsnetz zur Durchführung dieses Verfahrens
摘要
申请公布号
DE69510869(T2)
申请公布日期
2000.01.20
申请号
DE19956010869T
申请日期
1995.06.20
申请人
THOMSON-CSF, PARIS
发明人
FONTAINE, PHILIPPE
分类号
H04M9/02;H04Q11/04;(IPC1-7):H04M9/02
主分类号
H04M9/02
代理机构
代理人
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