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 Предприятие П/Я А-3313filedCriticalПредприятие П/Я А-3313
Priority to SU1818417ApriorityCriticalpatent/SU459875A1/en
Application grantedgrantedCritical
Publication of SU459875A1publicationCriticalpatent/SU459875A1/en