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Application filed by Л. М. Смирных изобретени, А. Ильин В., М. Аренде И., В. Дорохов В., А. Кругликов А., П. Шелом В., В. Дарюхин В., И. Криницина Л.filedCriticalЛ. М. Смирных изобретени
Priority to SU1740035ApriorityCriticalpatent/SU431211A2/ru
Application grantedgrantedCritical
Publication of SU431211A1publicationCriticalpatent/SU431211A1/ru
Publication of SU431211A2publicationCriticalpatent/SU431211A2/ru