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经营范围
发明名称
SECTORED VOICE CHANNELS WITH REAR LOBE PROTECTION
摘要
申请公布号
EP0512996(B1)
申请公布日期
1997.03.12
申请号
EP19900915742
申请日期
1990.11.07
申请人
NORTHERN TELECOM LIMITED
发明人
MECHE, PAUL, SOLOMON;HANLEY, DONALD, VINCENT;CHAPLAIN, EUGENIE, MARIE
分类号
H04W16/24;H04W36/06;H04W72/04;(IPC1-7):H04Q7/36
主分类号
H04W16/24
代理机构
代理人
主权项
地址
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