WATERMARKING OF DIGITAL OBJECT,申请号EP19980949545-传众专利搜索

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发明名称	WATERMARKING OF DIGITAL OBJECT
摘要
申请公布号	EP1020076(A1)	申请公布日期	2000.07.19
申请号	EP19980949545	申请日期	1998.09.24
申请人	HEWLETT-PACKARD COMPANY	发明人	NATARAJAN, BALAS, K.
分类号	H04N7/26;G06T1/00;G09C5/00;H04N1/32;H04N1/387;H04N1/44;(IPC1-7):H04N1/32	主分类号	H04N7/26
代理机构		代理人
主权项
地址

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