SYSTEM FOR LEARNING ENGLISH ON THE BASIS OF TEXTBOOK,申请号KR20100024238-传众专利搜索

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发明名称	SYSTEM FOR LEARNING ENGLISH ON THE BASIS OF TEXTBOOK
摘要
申请公布号	KR20110105139(A)	申请公布日期	2011.09.26
申请号	KR20100024238	申请日期	2010.03.18
申请人	HWAKIN CO., LTD.	发明人	KIM, SANG WOO
分类号	G09B7/04;G09B5/06;G09B19/06	主分类号	G09B7/04
代理机构		代理人
主权项
地址

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