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经营范围
发明名称
Method and apparatus for alerting multiple telephones for an incoming call
摘要
申请公布号
EP0549126(B1)
申请公布日期
2000.03.15
申请号
EP19920310664
申请日期
1992.11.23
申请人
AT&T CORP.
发明人
HARLOW, JOHN BRUCE;KOLIPAKAM, MURPHY;POLEPALLE, SANKARA RAO;WYATT, GEORGE YORKE
分类号
H04M3/42;H04M3/46;H04M7/00;H04Q3/00;(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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