multilateral voice call system and control method thereof,申请号KR20030086461-传众专利搜索

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发明名称	multilateral voice call system and control method thereof
摘要
申请公布号	KR100744667(B1)	申请公布日期	2007.08.02
申请号	KR20030086461	申请日期	2003.12.01
申请人		发明人
分类号	G06F17/00	主分类号	G06F17/00
代理机构		代理人
主权项
地址

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