Digital content management system using electronic watermark,申请号EP20070001022-传众专利搜索

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发明名称	Digital content management system using electronic watermark
摘要
申请公布号	EP1806673(A3)	申请公布日期	2009.04.29
申请号	EP20070001022	申请日期	1998.06.09
申请人	INTARSIA SOFTWARE LLC	发明人	SAITO, MAKATO
分类号	G06F1/00;G06F12/14;G06F9/46;G06F21/00;G06F21/24;G06T1/00;G09C1/00;G09C5/00;H04L9/08;H04L29/06;H04N1/32;H04N1/44;H04N7/08;H04N7/081	主分类号	G06F1/00
代理机构		代理人
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