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Application filed by Vitebskij Tech I Legkoj PromyfiledCriticalVitebskij Tech I Legkoj Promy
Priority to IT8821747ApriorityCriticalpatent/IT1227189B/en
Publication of IT8821747A0publicationCriticalpatent/IT8821747A0/en
Application grantedgrantedCritical
Publication of IT1227189BpublicationCriticalpatent/IT1227189B/en