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Application filed by Челябинский Политехнический ИнститутfiledCriticalЧелябинский Политехнический Институт
Priority to SU1829887ApriorityCriticalpatent/SU445102A1/ru
Priority claimed from SU1829887Aexternal-prioritypatent/SU445102A1/ru
Application grantedgrantedCritical
Publication of SU445102A2publicationCriticalpatent/SU445102A2/ru
Publication of SU445102A1publicationCriticalpatent/SU445102A1/ru