The on/off line e-learning system which enables the attendance check and team forming,申请号KR20130002904U-传众专利搜索

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发明名称	The on/off line e-learning system which enables the attendance check and team forming
摘要
申请公布号	KR20140005493(U)	申请公布日期	2014.10.23
申请号	KR20130002904U	申请日期	2013.04.15
申请人		发明人
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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