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Application filed by Zhivko I Zhelev, Evtim N Evtimov, Vladimir S Kabaivanov, Jjordanka K AngelovafiledCriticalZhivko I Zhelev
Priority to BG7664086ApriorityCriticalpatent/BG42762A1/en
Publication of BG42762A1publicationCriticalpatent/BG42762A1/en