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Application filed by В.И. Комаров, А.Е. Хлудцев, А.И. ЧекмаревfiledCriticalВ.И. Комаров
Priority to SU381732ApriorityCriticalpatent/SU78814A1/ru
Application grantedgrantedCritical
Publication of SU78814A1publicationCriticalpatent/SU78814A1/ru