INCREASING DISSIMILARITY OF CHARACTERS DISPOSED ON AN OPTICALLY ACTIVE ARTICLE
The inventors of the present application developed novel retroreflective materials, and articles. One example of the present application is a retroreflective article, comprising a substrate and a machine-readable information disposed on the substrate, wherein the machine-readable information corresp...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The inventors of the present application developed novel retroreflective materials, and articles. One example of the present application is a retroreflective article, comprising a substrate and a machine-readable information disposed on the substrate, wherein the machine-readable information corresponds to a predetermined human-readable information. |
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