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-6575, Предприятие П/Я А-7340filedCriticalПредприятие П/Я Р-6575
Priority to SU762423246ApriorityCriticalpatent/SU647679A1/en
Application grantedgrantedCritical
Publication of SU647679A1publicationCriticalpatent/SU647679A1/en