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发明名称
TELEPHONE FRAUD DETECTION AND PREVENTION
摘要
申请公布号
EP1238516(A4)
申请公布日期
2003.07.23
申请号
EP20000992896
申请日期
2000.12.11
申请人
MCI WORLDCOM, INC.
发明人
HARRISON, ANNA, L.;JACKMAN, ERIN, C.;MARCHAND, DEAN
分类号
H04M3/00;H04M11/00;H04M15/00;(IPC1-7):H04M15/00;H04M3/22
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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