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发明名称
ELECTRONIC STAMP PROVIDING SYSTEM FOR ONLINE ADVERTISEMENT AND METHOD OF OPERATING THEREOF
摘要
申请公布号
EP1269371(A1)
申请公布日期
2003.01.02
申请号
EP20010912540
申请日期
2001.03.08
申请人
ETAMP.COM INCORPORATION
发明人
PARK, CHOON-WOO
分类号
G06F17/30;G06Q10/00;G06Q30/00;H04L12/58;(IPC1-7):G06F17/60
主分类号
G06F17/30
代理机构
代理人
主权项
地址
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