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-3903filedCriticalПредприятие П/Я А-3903
Priority to SU2113520ApriorityCriticalpatent/SU517513A1/ru
Application grantedgrantedCritical
Publication of SU517513A1publicationCriticalpatent/SU517513A1/ru