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 Dmitrij A Trojenkin, Mucharbij D Banov, Galina G MaxakovafiledCriticalDmitrij A Trojenkin
Priority to CS879778ApriorityCriticalpatent/CS977887A1/cs
Publication of CS977887A1publicationCriticalpatent/CS977887A1/cs