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Application grantedgrantedCritical
Publication of SU3264A1publicationCriticalpatent/SU3264A1/ru
Application filed by И.Р. МорозовfiledCriticalИ.Р. Морозов
Priority to SU811-46ApriorityCriticalpatent/SU68594A1/ru
Publication of SU68594A1publicationCriticalpatent/SU68594A1/ru