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Priority to SU1879414ApriorityCriticalpatent/SU453579A1/ru
Priority claimed from SU1879414Aexternal-prioritypatent/SU453579A1/ru
Application grantedgrantedCritical
Publication of SU453579A3publicationCriticalpatent/SU453579A3/ru
Publication of SU453579A1publicationCriticalpatent/SU453579A1/ru
Publication of SU453579A2publicationCriticalpatent/SU453579A2/ru