Media role management in a video conferencing network,申请号GB20040022947-传众专利搜索

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发明名称	Media role management in a video conferencing network
摘要
申请公布号	GB0422947(D0)	申请公布日期	2004.11.17
申请号	GB20040022947	申请日期	2001.04.24
申请人	PICTURETEL CORPORATION	发明人
分类号	H04N7/14;H04N7/15	主分类号	H04N7/14
代理机构		代理人
主权项
地址

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