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发明名称
Multimedia conferencing system over ISDN network
摘要
申请公布号
EP0817484(A3)
申请公布日期
2000.04.05
申请号
EP19970110578
申请日期
1997.06.27
申请人
AT&T CORP.
发明人
KUTHYAR, ASHOK K.;RAMAMURTHY, RAM S.;ROY, RADHIKA R.
分类号
H04L29/06;H04N7/15;(IPC1-7):H04N7/15;H04M3/56
主分类号
H04L29/06
代理机构
代理人
主权项
地址
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