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Application filed by института химического машиностроениfiledCriticalинститута химического машиностроени
Priority to SU1645976ApriorityCriticalpatent/SU420880A1/ru
Priority claimed from SU1645976Aexternal-prioritypatent/SU420880A1/ru
Application grantedgrantedCritical
Publication of SU420880A2publicationCriticalpatent/SU420880A2/ru
Publication of SU420880A1publicationCriticalpatent/SU420880A1/ru