PROTECTIVE MARKING AND ARTICLE CONTAINING SAID MARKING
The invention relates to a protective marking of articles, such as documents of value and banknotes, and serves for checking the authenticity thereof with a device. The protective marking uses inorganic luminescent compounds on the basis of rare-earth and alkali metals containing substituting elemen...
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Main Authors | , , , , , , , , , , |
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Format | Patent |
Language | English French Russian |
Published |
29.06.2017
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Subjects | |
Online Access | Get full text |
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