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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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