Electronic Commerce System of Digital Book and Method thereof,申请号KR20070036427-传众专利搜索

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发明名称	Electronic Commerce System of Digital Book and Method thereof
摘要
申请公布号	KR101120160(B1)	申请公布日期	2012.03.26
申请号	KR20070036427	申请日期	2007.04.13
申请人		发明人
分类号	G06Q30/00	主分类号	G06Q30/00
代理机构		代理人
主权项
地址

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