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-3324filedCriticalПредприятие П/Я А-3324
Priority to SU752149786ApriorityCriticalpatent/SU662747A1/ru
Application grantedgrantedCritical
Publication of SU662747A1publicationCriticalpatent/SU662747A1/ru