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 Alexandr V Cerkovskij, Natalja B Dobrova, Naum A Iosif, Alexandr S Bukatov, Zinajda P DanilovafiledCriticalAlexandr V Cerkovskij
Priority to CS878450ApriorityCriticalpatent/CS845087A1/cs
Publication of CS845087A1publicationCriticalpatent/CS845087A1/cs