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Application filed by Stojan M Cvetkov, Angel S Cenov, Cvetana V Rachinska, Vitana A Gocova, Ivan Kh Stojanov, Ilija V IlievfiledCriticalStojan M Cvetkov
Priority to BG8079287ApriorityCriticalpatent/BG44218A1/en
Publication of BG44218A1publicationCriticalpatent/BG44218A1/en