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经营范围
发明名称
A CONTROL MECHANISM FOR A RING COMMUNICATION SYSTEM
摘要
申请公布号
EP0161825(B1)
申请公布日期
1991.07.24
申请号
EP19850302750
申请日期
1985.04.18
申请人
NORTHERN TELECOM LIMITED
发明人
GAMMAGE, NEIL DAVID;PACHL, JAN KRTITEL;CASEY, LIAM MAURICE
分类号
H04L12/433
主分类号
H04L12/433
代理机构
代理人
主权项
地址
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