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-3565filedCriticalПредприятие П/Я А-3565
Priority to SU1899235ApriorityCriticalpatent/SU477522A2/ru
Application grantedgrantedCritical
Publication of SU477522A2publicationCriticalpatent/SU477522A2/ru