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 Ю.Н.Камынин, Н.Н.filedCriticalЮ.Н.Камынин
Priority to SU1614501ApriorityCriticalpatent/SU433477A1/en
Priority claimed from SU1614501Aexternal-prioritypatent/SU433477A1/en
Application grantedgrantedCritical
Publication of SU433477A2publicationCriticalpatent/SU433477A2/en
Publication of SU433477A1publicationCriticalpatent/SU433477A1/en