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SECURITY ELEMENTS AND SECURITY FEATURES WITH METALLIC APPEARS COLOR EFFECTS
SECURITY ELEMENTS AND SECURITY FEATURES WITH METALLIC APPEARS COLOR EFFECTS
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机译:具有金属外观的安全元素和安全特征会出现彩色效果
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摘要
A security mark for e.g. documents, packaging etc. has a substrate element incorporating a motif, mark or image as a photo-engraved half-tone screen or full tone. The mark incorporates one or more colors or transparent metal link layer and a full- or partial-reflector or mirror layer.
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