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 А. М. ТелицынfiledCriticalА. М. Телицын
Priority to SU1844081ApriorityCriticalpatent/SU429502A2/en
Application grantedgrantedCritical
Publication of SU429502A1publicationCriticalpatent/SU429502A1/en
Publication of SU429502A2publicationCriticalpatent/SU429502A2/en