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 И.И. ГорюновfiledCriticalИ.И. Горюнов
Priority to SU16560ApriorityCriticalpatent/SU16669A1/en
Application grantedgrantedCritical
Publication of SU16669A1publicationCriticalpatent/SU16669A1/en