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发明名称
System and method for utilizing digital educational material
摘要
申请公布号
EP1265181(A3)
申请公布日期
2002.12.18
申请号
EP20020253677
申请日期
2002.05.24
申请人
SAGA UNIVERSITY
发明人
HOYASHITA, SHIGERU;IKEGAMI, YASUYUKI;SUMI, KAZUHIRO
分类号
G09B5/08;G06F17/30;G06Q20/26;G09B7/00;(IPC1-7):G06F17/60
主分类号
G09B5/08
代理机构
代理人
主权项
地址
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