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 Г-4459filedCriticalПредприятие П/Я Г-4459
Priority to SU731890327ApriorityCriticalpatent/SU674835A1/ru
Application grantedgrantedCritical
Publication of SU674835A1publicationCriticalpatent/SU674835A1/ru