发明名称 SUPORTE DE DADOS COM COR OPTICAMENTE VARIAVEL
摘要 A data carrier with an optically variable element. The optically variable element includes a first structured print which is overlaid with a second print, at least in partial areas. The second print is applied to a document with an ink which contains an optically variable pigment having little or no body color of its own.
申请公布号 PT863815(E) 申请公布日期 2000.11.30
申请号 PT19960939931T 申请日期 1996.11.26
申请人 GIESECKE & DEVRIENT GMBH 发明人 REINHARD PLASCHKA;ECKHARD BRAUN
分类号 B42D15/00;B41M3/14 主分类号 B42D15/00
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