Ленинградский Ордена Ленина Политехнический Институт Имени 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 Имени М.И.КалининаfiledCriticalЛенинградский Ордена Ленина Политехнический Институт Имени М.И.Калинина
Priority to SU1669270ApriorityCriticalpatent/SU523256A1/ru
Application grantedgrantedCritical
Publication of SU523256A1publicationCriticalpatent/SU523256A1/ru