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 В-2969filedCriticalПредприятие П/Я В-2969
Priority to SU1767027ApriorityCriticalpatent/SU475450A1/ru
Application grantedgrantedCritical
Publication of SU475450A1publicationCriticalpatent/SU475450A1/ru