发明名称 Security element for security papers and valuable documents
摘要 The invention relates to a security element for security papers, documents of value, ID cards or the like that is of self-supporting design and has two different security features. The security features are disposed on opposite sides of the security element, at least one the security features being optically variable.
申请公布号 US8449969(B2) 申请公布日期 2013.05.28
申请号 US20020498863 申请日期 2002.12.17
申请人 KELLER MARIO;BURCHARD THEO;GIESECKE & DEVRIENT GMBH 发明人 KELLER MARIO;BURCHARD THEO
分类号 B41M5/00;B42D15/10;B42D15/00;G02B5/18;G06K19/08;G06K19/10 主分类号 B41M5/00
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