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 Ш.А. ЧураковfiledCriticalШ.А. Чураков
Priority to SU1483447/23ApriorityCriticalpatent/SU388672A1/en
Application grantedgrantedCritical
Publication of SU388672A1publicationCriticalpatent/SU388672A1/en