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 Nikolaj S Nametkin, Sergej G Durgarjan, Eduard G Novickij, Valentina G Filippova, Natalja K Gladkova, Vladimir V TepljakovfiledCriticalNikolaj S Nametkin
Priority to DD21665079ApriorityCriticalpatent/DD205260A3/en
Publication of DD205260A3publicationCriticalpatent/DD205260A3/en