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-1932filedCriticalПредприятие П/Я А-1932
Priority to SU1962963ApriorityCriticalpatent/SU463561A2/en
Application grantedgrantedCritical
Publication of SU463561A2publicationCriticalpatent/SU463561A2/en