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发明名称
CARD SECTION FOR AMUSEMENT AND EDUCATION
摘要
申请公布号
KR900000282(Y1)
申请公布日期
1990.01.30
申请号
KR19870001327U
申请日期
1987.02.07
申请人
KIM JIN-HO
发明人
KIM JIN-HO
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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地址
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