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Application filed by Colo V Rashev, Ljubomir T Petkanchin, Ivajjlo D Popov, Nikola P Andreev, Nikolajj D LazarovfiledCriticalColo V Rashev
Priority to BG8185787ApriorityCriticalpatent/BG44740A1/xx
Publication of BG44740A1publicationCriticalpatent/BG44740A1/xx