发明名称 Security element and method for producing the same
摘要 The invention relates to a security element for security papers, bank notes, ID cards or the like, having at least one plastic layer on which at least two metal layers of different color are so disposed side by side and on the same side of the plastic layer that the different colors are visually checkable.
申请公布号 US2005012326(A1) 申请公布日期 2005.01.20
申请号 US20040498872 申请日期 2004.06.16
申请人 KELLER MARIO;BURCHARD THEO;HOFFMANN LARS 发明人 KELLER MARIO;BURCHARD THEO;HOFFMANN LARS
分类号 B42D15/10;B32B15/08;B42D15/00;(IPC1-7):B42D15/00 主分类号 B42D15/10
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