Method for Converting between Voice Call and Video Call,申请号KR20080099808-传众专利搜索

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发明名称	Method for Converting between Voice Call and Video Call
摘要
申请公布号	KR100970001(B1)	申请公布日期	2010.07.15
申请号	KR20080099808	申请日期	2008.10.10
申请人		发明人
分类号	H04W4/16	主分类号	H04W4/16
代理机构		代理人
主权项
地址

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