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发明名称
Computer assisted learning system
摘要
申请公布号
GB2338333(A)
申请公布日期
1999.12.15
申请号
GB19980012435
申请日期
1998.06.09
申请人
AUBREY * NUNES
发明人
AUBREY * NUNES
分类号
G09B5/06;G09B7/04;(IPC1-7):G09B7/04
主分类号
G09B5/06
代理机构
代理人
主权项
地址
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