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Application filed by Sergej M Grigorjev, Alexandr N Semjonov, Vladimir P Samoljov, Gennadij A Kozlov, Tom P Sadovskij, Valentin G Lernev, Anatolij P Sveckopalov, Viktor I KovalevfiledCriticalSergej M Grigorjev
Priority to CS829891ApriorityCriticalpatent/CS245293B1/en
Publication of CS989182A1publicationCriticalpatent/CS989182A1/en
Publication of CS245293B1publicationCriticalpatent/CS245293B1/en