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发明名称
VOICE BAND CALL ROUTING
摘要
申请公布号
EP0853859(A1)
申请公布日期
1998.07.22
申请号
EP19970934623
申请日期
1997.07.31
申请人
GPT LIMITED
发明人
WINCH, NICHOLAS, RICHARD
分类号
H04M3/42;H04M3/436;H04M3/533;H04Q3/00;H04Q3/72;(IPC1-7):H04Q3/00
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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