Watermarking a security document,申请号HK20040107840-传众专利搜索

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发明名称	Watermarking a security document
摘要
申请公布号	HK1065393(A1)	申请公布日期	2007.06.29
申请号	HK20040107840	申请日期	2004.10.12
申请人	EUROPEAN CENTRAL BANK	发明人	ARRIETA, ANTONIO, J.
分类号	G06T;G06T1/00;G07D;G07D7/12	主分类号	G06T
代理机构		代理人
主权项
地址

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