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.А. ТузовfiledCriticalИ.А. Тузов
Priority to SU24472ApriorityCriticalpatent/SU14065A1/ru
Application grantedgrantedCritical
Publication of SU14065A1publicationCriticalpatent/SU14065A1/ru