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发明名称
LEARNING APPARATUS
摘要
申请公布号
JPS60104989(A)
申请公布日期
1985.06.10
申请号
JP19830213137
申请日期
1983.11.12
申请人
SETSUKU:KK
发明人
CHIKAISHI YUKIHIRO
分类号
G09B5/02;G09B7/02
主分类号
G09B5/02
代理机构
代理人
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