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Publication date
Application filed by Nikolaj M Sisov, Vladimir J Zeleneckij, Nadezda A Demina, Ivan M Bondarev, Alexandr N Cernij, Alisa A Ertli, Semen I Marina, Anatolij G Avksentjev, Stanislav N Lepetcenko, Ivan P SerzantufiledCriticalNikolaj M Sisov
Priority to CS843121ApriorityCriticalpatent/CS258427B1/cs
Publication of CS312184A1publicationCriticalpatent/CS312184A1/cs
Publication of CS258427B1publicationCriticalpatent/CS258427B1/cs