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发明名称
An authentication service system of buyer and seller over on-line and a control method thereof
摘要
申请公布号
KR100800420(B1)
申请公布日期
2008.02.04
申请号
KR20000054711
申请日期
2000.09.18
申请人
发明人
分类号
(IPC1-7):G06Q20/00A
主分类号
(IPC1-7):G06Q20/00A
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