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发明名称
A WORKBOOK FOR STUDYING A CHINESE CHARACTER
摘要
申请公布号
KR20050099153(A)
申请公布日期
2005.10.13
申请号
KR20040024338
申请日期
2004.04.09
申请人
KIM, YOUNG JUN
发明人
KIM, YOUNG JUN
分类号
G09B19/08
主分类号
G09B19/08
代理机构
代理人
主权项
地址
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