Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zjama A Polujj, Boris I Ravdanis, Vladimir L Malinkovich, Nikola I Dobrev, Georgi T Georgiev, Anton P Tonev, Khristo G Paleshnikov, Stojan V Chalkov, Georgi R Iliev, Nikola A Georgiev, Ilija T Stanilov, Pet R S Shishkov, Pet R D NestorovfiledCriticalZjama A Polujj
Priority to BG7709286ApriorityCriticalpatent/BG44630A1/xx
Publication of BG44630A1publicationCriticalpatent/BG44630A1/xx
