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Application filed by институт нефт ной промышленностиfiledCriticalинститут нефт ной промышленности
Priority to SU1804853ApriorityCriticalpatent/SU420822A1/ru
Priority claimed from SU1804853Aexternal-prioritypatent/SU420822A1/ru
Application grantedgrantedCritical
Publication of SU420822A2publicationCriticalpatent/SU420822A2/ru
Publication of SU420822A1publicationCriticalpatent/SU420822A1/ru