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发明名称
UBIQUITOUS MULTI-PURPOSE HOME-SCHOOL STUDIO SYSTEM
摘要
申请公布号
KR20070050518(A)
申请公布日期
2007.05.16
申请号
KR20050107787
申请日期
2005.11.11
申请人
LEE, DONG SOO
发明人
LEE, DONG SOO;LEE, HYEON SEOK
分类号
G06Q50/20;G06K17/00
主分类号
G06Q50/20
代理机构
代理人
主权项
地址
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