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Application filed by Б.Т. Егоров, Э.Л. МихлинfiledCriticalБ.Т. Егоров
Priority to SU373151ApriorityCriticalpatent/SU72014A1/ru
Application grantedgrantedCritical
Publication of SU72014A1publicationCriticalpatent/SU72014A1/ru