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发明名称
Multimedia conferencing system
摘要
申请公布号
EP0691778(B1)
申请公布日期
2004.02.18
申请号
EP19950304535
申请日期
1995.06.28
申请人
AT&T CORP.
发明人
BIGGS, JOHN T.;MILSTEAD, SANDRA C.;LANDANTE, DIANE G.;SKRAN, DALE L.;SNOWDON, ARTHUR R.
分类号
H04L12/18;H04L12/64;H04M3/56;H04N7/15;(IPC1-7):H04M3/56
主分类号
H04L12/18
代理机构
代理人
主权项
地址
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