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发明名称
LEARNING PLATE FOR CHILDREN
摘要
申请公布号
KR960009380(Y1)
申请公布日期
1996.10.21
申请号
KR19940007863U
申请日期
1994.04.13
申请人
LEE, SEUNG-NAM
发明人
LEE, SEUNG-NAM
分类号
G09B1/00;G09B1/08;(IPC1-7):G09B1/00
主分类号
G09B1/00
代理机构
代理人
主权项
地址
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