Донецкий Филиал Научно-Исследовательского Горнорудного Института
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 Донецкий Филиал Научно-Исследовательского Горнорудного ИнститутаfiledCriticalДонецкий Филиал Научно-Исследовательского Горнорудного Института
Priority to SU7602324060ApriorityCriticalpatent/SU572551A2/en
Application grantedgrantedCritical
Publication of SU572551A2publicationCriticalpatent/SU572551A2/en