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 О. М. Крыжановский, А. Д. Пущаловский, Л. И. Прокопенко, В. Г. Венгренюк, В. А. Московка, Институт проблем лить Украинской ССРfiledCriticalО. М. Крыжановский
Priority to SU1879414ApriorityCriticalpatent/SU453579A1/en
Priority claimed from SU1879414Aexternal-prioritypatent/SU453579A1/en
Application grantedgrantedCritical
Publication of SU453579A3publicationCriticalpatent/SU453579A3/en
Publication of SU453579A2publicationCriticalpatent/SU453579A2/ru
Publication of SU453579A1publicationCriticalpatent/SU453579A1/en