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发明名称
METHOD AND APPARATUS FOR DELIVERING SECURED TELEPHONY SERVICE IN A HYBRID COAXIAL CABLE NETWORK.
摘要
申请公布号
EP0653143(A1)
申请公布日期
1995.05.17
申请号
EP19940920042
申请日期
1994.05.26
申请人
US WEST TECHNOLOGIES, INC.
发明人
BEVERIDGE, GREGORY, JOSEPH
分类号
H04N7/14;H04H60/96;H04M3/12;H04M3/20;H04M7/00;H04M11/00;H04M11/06;H04N7/173;H04Q3/42;H04Q11/02;(IPC1-7):H04Q11/02;H04H1/02;H04M3/00
主分类号
H04N7/14
代理机构
代理人
主权项
地址
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