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 Р-6863filedCriticalПредприятие П/Я Р-6863
Priority to SU1989044ApriorityCriticalpatent/SU477274A1/ru
Application grantedgrantedCritical
Publication of SU477274A1publicationCriticalpatent/SU477274A1/ru