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发明名称
INTERACTIVE TELEVISION SYSTEMS WITH LIVE CUSTOMER SERVICE
摘要
申请公布号
EP1224809(A1)
申请公布日期
2002.07.24
申请号
EP20000973973
申请日期
2000.10.27
申请人
UNITED VIDEO PROPERTIES, INC.
发明人
ELLIS, MICHAEL, D.;TREYZ, G., VICTOR;THOMAS, WILLIAM, L.;WALKER, TODD, A.;HEDGES, L., JOE
分类号
H04N5/781;H04N7/16;H04N7/173;H04N9/804;(IPC1-7):H04N7/173
主分类号
H04N5/781
代理机构
代理人
主权项
地址
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