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Application filed by Simeon V Simeonov, Kiril V Zhekov, Veselin R Stanchev, Kol O V Khristov, Svetozar K Zhekov, Frosinka P DimitrovafiledCriticalSimeon V Simeonov
Priority to BG7665886ApriorityCriticalpatent/BG42744A1/en
Publication of BG42744A1publicationCriticalpatent/BG42744A1/en