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 Д.Т. ГайдаенкоfiledCriticalД.Т. Гайдаенко
Priority to SU8580ApriorityCriticalpatent/SU64603A1/en
Application grantedgrantedCritical
Publication of SU64603A1publicationCriticalpatent/SU64603A1/en