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-6273filedCriticalПредприятие П/Я Р-6273
Priority to SU1677697ApriorityCriticalpatent/SU462372A1/ru
Application grantedgrantedCritical
Publication of SU462372A1publicationCriticalpatent/SU462372A1/ru