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发明名称
System und Verfahren zur Verarbeitung von Anrufverlusten
摘要
申请公布号
DE69830941(D1)
申请公布日期
2005.09.01
申请号
DE19986030941
申请日期
1998.03.18
申请人
AT & T WIRELESS SERVICES, INC.
发明人
AMIN, UMESH J.;ROTVOLD, BRUCE E.
分类号
H04M3/22;H04M3/42;H04W4/12;(IPC1-7):H04M3/22;H04M3/50;H04Q7/38
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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