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发明名称
Interactive teaching apparatus
摘要
申请公布号
IL107571(D0)
申请公布日期
1994.02.27
申请号
IL19930107571
申请日期
1993.11.11
申请人
DRUCKMAN GIL;GILAAD TEDDY
发明人
分类号
G09B;(IPC1-7):G09B
主分类号
G09B
代理机构
代理人
主权项
地址
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