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发明名称
BRINQUEDO EDUCATIVO
摘要
申请公布号
BR7102779(U)
申请公布日期
1993.06.08
申请号
BR1991MU02779U
申请日期
1991.12.03
申请人
KUMON INSTITUTO DE EDUCACAO S/C LTDA
发明人
HIROSHI ADACHI
分类号
G09B19/00;(IPC1-7):G09B19/00
主分类号
G09B19/00
代理机构
代理人
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