EDUCATION SYSTEM FOR MULTI-USER AND METHOD THEREOF,申请号KR20100019282-传众专利搜索

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发明名称	EDUCATION SYSTEM FOR MULTI-USER AND METHOD THEREOF
摘要
申请公布号	KR20110100365(A)	申请公布日期	2011.09.14
申请号	KR20100019282	申请日期	2010.03.04
申请人	HANHOTECH CO., LTD.	发明人	KIM, KYUNG KEUN;HWANG, KI TAE;KIM, CHUL HEE
分类号	G09B5/08;G09B5/02	主分类号	G09B5/08
代理机构		代理人
主权项
地址

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