Service system of voice calling,申请号KR20090011520-传众专利搜索

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发明名称	Service system of voice calling
摘要
申请公布号	KR100994823(B1)	申请公布日期	2010.11.16
申请号	KR20090011520	申请日期	2009.02.12
申请人		发明人
分类号	H04M3/54;H04M3/42;H04M3/51	主分类号	H04M3/54
代理机构		代理人
主权项
地址

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