| 摘要 |
<p>The element (1) has a substrate (2) comprising an optically detectable product identification value (4), which is covered by a coating. The coating is removable from the substrate. The coating is completely applied on the substrate, and the product identification value is imprinted in material of the substrate. The coating is an impression (5), which contains chemically applicable and/or mechanically removable printing colors. The substrate is comprised of metal such as aluminum.</p> |
