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Publication date
Application filed by Н. М. Каноныхин, впт ФОНДfiledCriticalН. М. Каноныхин
Priority to SU1814672ApriorityCriticalpatent/SU421962A1/ru
Priority claimed from SU1814672Aexternal-prioritypatent/SU421962A1/ru
Application grantedgrantedCritical
Publication of SU421962A2publicationCriticalpatent/SU421962A2/ru
Publication of SU421962A1publicationCriticalpatent/SU421962A1/ru