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专利名称：SECURITY ELEMENT COMPRISING METALLIC
LAYERS
发明人：HEIM, MANFRED,SCHMITZ, CHRISTIAN申请号：EP03718785.3申请日：20030423公开号：EP1503903B9公开日：20131002
摘要：The invention relates to a security element for security papers, bank notes, IDcards or the like, with a substrate, on which are disposed at least two metal layers, themetal layers having different optical densities.
申请人：GIESECKE & DEVRIENT GMBH,GIESECKE & DEVRIENT GMBH,GIESECKE &DEVRIENT GMBH
地址：DE
国籍：DE
代理机构：Metzler, Volker
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