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发明名称
PRACTICAL CHINESE TEXTBOOK
摘要
申请公布号
KR0137736(Y1)
申请公布日期
1999.03.20
申请号
KR19970001991U
申请日期
1997.02.11
申请人
KIM, SUK-RIN
发明人
KIM, SUK-RIN
分类号
G09B11/10;(IPC1-7):G09B11/10
主分类号
G09B11/10
代理机构
代理人
主权项
地址
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