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Application filed by Atanas P Venkov, Manush M Minkov, Magdalena S Nikolova, Nikola M Mollov, Ignat N Tafradzhijjski, Delcho A GeorgievfiledCriticalAtanas P Venkov
Priority to BG7828587ApriorityCriticalpatent/BG43251A1/en
Publication of BG43251A1publicationCriticalpatent/BG43251A1/en