| 摘要 |
Substrate 1 provided with a security element to counteract colour reproduction systems, containing lines, surfaces or points, or combinations thereof, which project above the surface of the substrate. Ink 2 is located on the lines, surfaces or points, the ink being a colourless, transparent ink. The lines, surfaces or points preferably project at least 10 μm above the surface of the substrate. <IMAGE>
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