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经营范围
发明名称
MEMORIZING OF A WARD BY SLIDABLE
摘要
申请公布号
KR890000144(Y1)
申请公布日期
1989.03.06
申请号
KR19850016128U
申请日期
1985.12.04
申请人
CHOE, CHEOL-HONG
发明人
CHOE, CHEOL-HONG
分类号
G09B1/28;(IPC1-7):G09B1/28
主分类号
G09B1/28
代理机构
代理人
主权项
地址
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