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发明名称
METHOD FOR ONLINE EDUCATION SERVICES WITH LEARNING CONTENTS CREATED BY USERS AND ASSOCIATED INTERACTIVE ONLINE AND OFFLINE LEARNING SERVICES
摘要
申请公布号
KR20110107710(A)
申请公布日期
2011.10.04
申请号
KR20100027010
申请日期
2010.03.25
申请人
HWANG, EUN YOUNG
发明人
HWANG, EUN YOUNG
分类号
G09B5/06;G09B7/02
主分类号
G09B5/06
代理机构
代理人
主权项
地址
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