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发明名称
TELECOMMUNICATIONS SECURITY DEVICE
摘要
申请公布号
EP0194782(B1)
申请公布日期
1992.10.07
申请号
EP19860301387
申请日期
1986.02.26
申请人
THE MANITOBA TELEPHONE SYSTEM
发明人
POLLARD, ALAN JONATHAN;LEMIRE, JAMES RUSSEL
分类号
H04M11/00;G06F21/00;H04L9/00;H04L9/10;H04L12/22;H04L29/06;H04M1/66
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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