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Application filed by А. Н. Стрельцов, А. Н. Стрельцов, В. А. Пршов , М. Р. КоиезскиГ, В. А. Пршов, М. Р. КоиезскиГfiledCriticalА. Н. Стрельцов
Priority to SU1130658ApriorityCriticalpatent/SU252310A1/ru
Application grantedgrantedCritical
Publication of SU252310A1publicationCriticalpatent/SU252310A1/ru