发明名称 SAFETY ELEMENT AND A VALUABLE OBJECT
摘要 This invention relates to an object of value with a security element having a thermochromic layer and disposed completely on the surface of the object of value. The thermochromic layer is combined with an effect layer having visually and/or machine testable properties.
申请公布号 PL210598(B1) 申请公布日期 2012.02.29
申请号 PL20000355848 申请日期 2000.08.29
申请人 GIESECKE & DEVRIENT GMBH 发明人 SCHMITZ CHRISTIAN
分类号 D21H21/48;B41M3/14;B41M5/28;B42D15/00;B42D25/355 主分类号 D21H21/48
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