| 摘要 |
A security element of the hologram type for preventing counterfeiting and falsification for documents in general, which comprises a layer of holographic material and initially can be optionally connected to a background layer with a release layer and an optional protective layer interposed. The layer of holographic material is associated with a monochrome background layer. There is also an adhesive layer for connecting the security element to a document in general. On the background layer, regions that are chromatically different from the background and are visually detectable are provided.
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