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-7376filedCriticalПредприятие П/Я А-7376
Priority to SU1889348ApriorityCriticalpatent/SU503335A1/en
Application grantedgrantedCritical
Publication of SU503335A1publicationCriticalpatent/SU503335A1/en