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发明名称
摘要
申请公布号
EP0586159(A3)
申请公布日期
1994.04.27
申请号
EP19930306640
申请日期
1993.08.20
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
WEERACKODY, VIJITHA
分类号
H04Q7/38;H04B7/26;(IPC1-7):H04Q7/00;H04J4/00;H04J13/00
主分类号
H04Q7/38
代理机构
代理人
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