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Application filed by Dancho T Tonchev, Krasimir T Totkov, Dimit R R Dimitrov, Vlchev Vladimir I, Dimit R A Kjurkchiev, Radoslav K Kalushkov, Ivan B Tatarski, Bojjko I Rachovichin, Atanas I SavovfiledCriticalDancho T Tonchev
Priority to BG8026487ApriorityCriticalpatent/BG44973A1/xx
Publication of BG44973A1publicationCriticalpatent/BG44973A1/xx