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-1081filedCriticalПредприятие П/Я А-1081
Priority to SU2154036ApriorityCriticalpatent/SU534659A1/ru
Application grantedgrantedCritical
Publication of SU534659A1publicationCriticalpatent/SU534659A1/ru