USE OF OXIDIC MAGNETIC PARTICLES FOR MAGNETIC MARKING OF METALS
Coins or other value articles contain magnetic particles for changing the electromagnetic signature of the article and frustrate a counterfeiter's attempt to fake the article.
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | Coins or other value articles contain magnetic particles for changing the electromagnetic signature of the article and frustrate a counterfeiter's attempt to fake the article. |
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