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.Б. БассfiledCriticalИ.Б. Басс
Priority to SU4388ApriorityCriticalpatent/SU65906A1/ru
Application grantedgrantedCritical
Publication of SU65906A1publicationCriticalpatent/SU65906A1/ru