ELECTRONIC CONTRACT HOLDING METHOD, ELECTRONIC CONTRACT PROVING METHOD, CONTRACTOR SERVER, CONTRACT HOLDING SERVER, ELECTRONIC CONTRACT HOLDING SYSTEM, AND STORAGE MEDIUM,申请号KR1020017011543-传众专利搜索

发明名称	ELECTRONIC CONTRACT HOLDING METHOD, ELECTRONIC CONTRACT PROVING METHOD, CONTRACTOR SERVER, CONTRACT HOLDING SERVER, ELECTRONIC CONTRACT HOLDING SYSTEM, AND STORAGE MEDIUM
摘要
申请公布号	KR20020059251(A)	申请公布日期	2002.07.12
申请号	KR1020017011543	申请日期	2001.09.11
申请人		发明人
分类号	G06Q99/00	主分类号	G06Q99/00
代理机构		代理人
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