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发明名称
A SYSTEM FOR ELECTRONIC CONTRACT AND A METHOD THEREOF
摘要
申请公布号
KR20050080196(A)
申请公布日期
2005.08.12
申请号
KR20030030316
申请日期
2003.05.13
申请人
DREAM TO REALITY
发明人
KIM, JONG CHUL
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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