METHOD AND SYSTEM FOR PROVIDING FOREIGN LANGUAGE LEARNING SERVICE,申请号KR20100026904-传众专利搜索

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发明名称	METHOD AND SYSTEM FOR PROVIDING FOREIGN LANGUAGE LEARNING SERVICE
摘要
申请公布号	KR101187424(B1)	申请公布日期	2012.10.02
申请号	KR20100026904	申请日期	2010.03.25
申请人		发明人
分类号	G09B7/04;G06Q50/20;G09B5/02;G09B19/06	主分类号	G09B7/04
代理机构		代理人
主权项
地址

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