Ленинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина
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 Ленинградский Ордена Ленина Политехнический Институт Им.М.И.КалининаfiledCriticalЛенинградский Ордена Ленина Политехнический Институт Им.М.И.Калинина
Priority to SU2182489ApriorityCriticalpatent/SU538144A1/ru
Application grantedgrantedCritical
Publication of SU538144A1publicationCriticalpatent/SU538144A1/ru