Method and apparatus for switching voice line,申请号KR20040052045-传众专利搜索

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发明名称	Method and apparatus for switching voice line
摘要
申请公布号	KR100668992(B1)	申请公布日期	2007.01.15
申请号	KR20040052045	申请日期	2004.07.05
申请人		发明人
分类号	H04Q3/62	主分类号	H04Q3/62
代理机构		代理人
主权项
地址

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