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Application filed by Boris Kh Borovski, Plamenka I IlievafiledCriticalBoris Kh Borovski
Priority to BG7203885ApriorityCriticalpatent/BG42975A1/en
Priority to GB08531498Aprioritypatent/GB2174519B/en
Priority to DE19853545923prioritypatent/DE3545923A1/en
Publication of BG42975A1publicationCriticalpatent/BG42975A1/en