发明名称 Method for printing a security element and security element
摘要 The method comprises the following steps: printing of a background on the substrate, semi-transparent printing of a motif with optically variable ink, said motif at least partially covering said background
申请公布号 US2006175824(A1) 申请公布日期 2006.08.10
申请号 US20040543987 申请日期 2004.02.05
申请人 GIORI FAUSTO;FORESTI GIANFRANCO 发明人 GIORI FAUSTO;FORESTI GIANFRANCO
分类号 B42D15/00;B41M3/14 主分类号 B42D15/00
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