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Publication of SU400000A1publicationCriticalpatent/SU400000A1/ru
Priority claimed from SU1738644Aexternal-prioritypatent/SU400000A1/ru
Application filedfiledCritical
Priority to SU1738644ApriorityCriticalpatent/SU400000A1/ru
Application grantedgrantedCritical
Publication of SU400000A2publicationCriticalpatent/SU400000A2/ru