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Application filed by Todor I Viktorov, Bochko K Kucarov, Radmila D Mavrodieva, Velichko V Stojanov, Ivan P Ivanov, Krum L Uzunov, Vasil S Kamberski, Ivan K Krumov, Ivan A Vaklev, Emil B Kamenov, Georgi V JjordanovfiledCriticalTodor I Viktorov
Priority to BG8194087ApriorityCriticalpatent/BG44773A1/xx
Publication of BG44773A1publicationCriticalpatent/BG44773A1/xx