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经营范围
发明名称
GROUP LEARNING APPARATUS
摘要
申请公布号
JPS5416237(A)
申请公布日期
1979.02.06
申请号
JP19770081274
申请日期
1977.07.07
申请人
GEN CORP
发明人
TAKEGUCHI SATORU
分类号
G09B5/08;G09B5/00;G09B7/07
主分类号
G09B5/08
代理机构
代理人
主权项
地址
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