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发明名称
EVALUATION INFORMATION PRESENTING METHOD AND LEARNING DEVICE
摘要
申请公布号
JPH03296086(A)
申请公布日期
1991.12.26
申请号
JP19900100021
申请日期
1990.04.16
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAKADA SHUJI
分类号
G09B7/02
主分类号
G09B7/02
代理机构
代理人
主权项
地址
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