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-7231filedCriticalПредприятие П/Я А-7231
Priority to SU762351162ApriorityCriticalpatent/SU642653A1/en
Application grantedgrantedCritical
Publication of SU642653A1publicationCriticalpatent/SU642653A1/en