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经营范围
发明名称
ELECTRONIC SIGNATURE METHOD
摘要
申请公布号
KR20040073507(A)
申请公布日期
2004.08.19
申请号
KR20047009900
申请日期
2002.12.05
申请人
发明人
分类号
H04L9/32;G06Q20/38
主分类号
H04L9/32
代理机构
代理人
主权项
地址
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