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发明名称
METHOD AND SYSTEM FOR BOOK-READER TEACHER TO READ TO KIDS UTILIZING PUBLIC LIBRARY
摘要
申请公布号
KR20050090143(A)
申请公布日期
2005.09.13
申请号
KR20040015367
申请日期
2004.03.08
申请人
YOO, JI YONG
发明人
YOO, JI YONG
分类号
G06Q50/20;G06Q50/26
主分类号
G06Q50/20
代理机构
代理人
主权项
地址
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