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-1710filedCriticalПредприятие П/Я А-1710
Priority to SU762433847ApriorityCriticalpatent/SU632408A1/ru
Application grantedgrantedCritical
Publication of SU632408A1publicationCriticalpatent/SU632408A1/ru