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Application filed by Державний Науко&filedCriticalДержавний Науко&
Priority to UAS201901486FpriorityCriticalpatent/UA41019S/en
Publication of UA41019SpublicationCriticalpatent/UA41019S/en
Method for providing directly on a graphic printing line a unique coloured sign with reflecting dots, having an alphanumeric code inscribed at the centre, for filing and reading the original and comparing it with a fake