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发明名称
UNDERSTANDING DEGREE EVALUATION SYSTEM OF LEARNING DEVICE
摘要
申请公布号
JPH02248982(A)
申请公布日期
1990.10.04
申请号
JP19890069227
申请日期
1989.03.23
申请人
MITSUBISHI ELECTRIC CORP
发明人
IWAGAMI KATSUYOSHI
分类号
G09B7/00
主分类号
G09B7/00
代理机构
代理人
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