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Application filed by Свердловский Горный Институт Им. В.В.Вахрушева, Соколовско-Сарбайский Горно-Обогатительный КомбинатfiledCriticalСвердловский Горный Институт Им. В.В.Вахрушева
Priority to SU1974510ApriorityCriticalpatent/SU480450A2/ru
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Publication of SU480450A2publicationCriticalpatent/SU480450A2/ru