INTERNET GROUP STUDY PROJECTOR ROOM,申请号KR20060022015-传众专利搜索

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发明名称	INTERNET GROUP STUDY PROJECTOR ROOM
摘要
申请公布号	KR20060028458(A)	申请公布日期	2006.03.29
申请号	KR20060022015	申请日期	2006.03.09
申请人	YUN, SOCK HWAN	发明人	YUN, SOCK HWAN
分类号	G06Q50/20	主分类号	G06Q50/20
代理机构		代理人
主权项
地址

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