А. И. Рутман Московский вечерний металлургический институт
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 Ю. И. Иориш, А. И. Рутман Московский вечерний металлургический институтfiledCriticalЮ. И. Иориш
Priority to SU1786690ApriorityCriticalpatent/SU420937A2/en
Application grantedgrantedCritical
Publication of SU420937A1publicationCriticalpatent/SU420937A1/en
Publication of SU420937A2publicationCriticalpatent/SU420937A2/en