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 Pokidko Ivan AfiledCriticalPokidko Ivan A
Priority to SU752185500ApriorityCriticalpatent/SU662079A1/ru
Application grantedgrantedCritical
Publication of SU662079A1publicationCriticalpatent/SU662079A1/ru