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Application filed by Valentin G Pavljukov, Jurij I Kalugin, Vjaceslav I Kosorukov, Konstantin A Gracev, Vjaceslav N Bukarev, Boris M GusevfiledCriticalValentin G Pavljukov
Priority to CS814346ApriorityCriticalpatent/CS239316B1/en
Publication of CS434681A1publicationCriticalpatent/CS434681A1/en
Publication of CS239316B1publicationCriticalpatent/CS239316B1/en