WATERMARK-BASED COPY MANAGEMENT SYSTEM AND METHOD FOR DIGITAL MEDIA COPY PROTECTION,申请号KR20020008802-传众专利搜索

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发明名称	WATERMARK-BASED COPY MANAGEMENT SYSTEM AND METHOD FOR DIGITAL MEDIA COPY PROTECTION
摘要
申请公布号	KR100493311(B1)	申请公布日期	2005.06.07
申请号	KR20020008802	申请日期	2002.02.19
申请人		发明人
分类号	G11B21/10;G11B20/00;H04N7/169;(IPC1-7):G11B20/10	主分类号	G11B21/10
代理机构		代理人
主权项
地址

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