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发明名称
A children education kit for making book
摘要
申请公布号
KR20070031605(A)
申请公布日期
2007.03.20
申请号
KR20050086222
申请日期
2005.09.15
申请人
发明人
分类号
G09B11/10;G09B11/00
主分类号
G09B11/10
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代理人
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