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发明名称
METHOD AND SYSTEM FOR PROVIDING CONTENTS USING COUPON
摘要
申请公布号
KR20050091114(A)
申请公布日期
2005.09.15
申请号
KR20040016178
申请日期
2004.03.10
申请人
NEXON CO., LTD.
发明人
YEOUN, BO HUM;OH, SANG YOON;CHO, SEUNG KI
分类号
(IPC1-7):G06F17/60
主分类号
(IPC1-7):G06F17/60
代理机构
代理人
主权项
地址
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