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 В.Н. КочеровскийfiledCriticalВ.Н. Кочеровский
Priority to SU95007ApriorityCriticalpatent/SU31793A1/ru
Application grantedgrantedCritical
Publication of SU31793A1publicationCriticalpatent/SU31793A1/ru