发明名称 MAGNETISK, METALLISK SIKKERHETSTRAAD MED NEGATIV INSKRIPSJON
摘要 <p>The invention relates to a security document, in particular a bank note, identity card or the like, having a security element which is provided with characters, patterns, etc., visually readable at least in transmitted light and which is electrically conductive and bears additional substances for machine testing, and to a method for producing such a security element. The security element preferably consists of a transparent film strip that bears negative writing readily capable of visual checking and is additionally provided with electrically conductive and magnetic substances.</p>
申请公布号 NO923258(A) 申请公布日期 1992.10.19
申请号 NO19920003258 申请日期 1992.08.19
申请人 GAO GESELLSCHAFT FUER AUTOMATION UND ORGANISATION MBH 发明人 KAULE, WITTICH;BOEHM, MICHAEL
分类号 B42D15/00;B42D25/355;(IPC1-7):B42D15/00 主分类号 B42D15/00
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