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发明名称
VIDEOCONFERENCING SERVICE SYSTEM, VIDEOCONFERENCING SERVICE OPERATING METHOD AND SERVICE CENTER
摘要
申请公布号
EP1478179(A4)
申请公布日期
2005.08.10
申请号
EP20020700105
申请日期
2002.01.23
申请人
HUAWEI TECHNOLOGIES CO., LTD.
发明人
YANG, YUEFENG;CHEN, CHONGJUN;LI, JUN;LU, XUDONG;DAI, MINGYI;JI, HAIJIAO;XU, BINGLIN
分类号
G06F17/30;H04N7/15;(IPC1-7):G06F17/30
主分类号
G06F17/30
代理机构
代理人
主权项
地址
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