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发明名称
METHOD FOR PROMPTING INTERNET LEARNING EFFECT USING CYBER CHARACTER
摘要
申请公布号
KR20010097766(A)
申请公布日期
2001.11.08
申请号
KR20000022136
申请日期
2000.04.26
申请人
DAEKYO CO., LTD.
发明人
JUNG, GEUM JO
分类号
G06Q50/20;(IPC1-7):G06F19/00
主分类号
G06Q50/20
代理机构
代理人
主权项
地址
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