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Application filed by А.Г. Баранов, Ф.И. БерезинfiledCriticalА.Г. Баранов
Priority to SU??-2341ApriorityCriticalpatent/SU51284A1/ru
Application grantedgrantedCritical
Publication of SU51284A1publicationCriticalpatent/SU51284A1/ru