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经营范围
发明名称
SOLAR EDUCATION TEACHING AIDS
摘要
申请公布号
KR200182479(Y1)
申请公布日期
2000.05.15
申请号
KR19990027625U
申请日期
1999.12.09
申请人
LEE, HWAN-YOUNG
发明人
LEE, HWAN-YOUNG
分类号
G09B23/16;(IPC1-7):G09B23/16
主分类号
G09B23/16
代理机构
代理人
主权项
地址
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