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Application filed by Nikolaj M Sisov, Vladimir J Zeleneckij, Nadezda A Demina, Ivan M Bondarev, Alexander N Cernij, Jevgenij J Rylov, Valerij A MoskvitinfiledCriticalNikolaj M Sisov
Priority to CS843152ApriorityCriticalpatent/CS258032B1/en
Publication of CS315284A1publicationCriticalpatent/CS315284A1/en
Publication of CS258032B1publicationCriticalpatent/CS258032B1/en