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发明名称
MULTI USING EDUCATIONAL PLATFORM
摘要
申请公布号
KR200202495(Y1)
申请公布日期
2000.11.15
申请号
KR20000015109U
申请日期
2000.05.29
申请人
BAE, GUN-WOONG;CHOE, EUN YOUNG
发明人
BAE, GUN-WOONG;CHOE, EUN YOUNG
分类号
G09B25/02;(IPC1-7):G09B25/02
主分类号
G09B25/02
代理机构
代理人
主权项
地址
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