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Application filed by К.Н. Бажанов, Г.М. МожаровскийfiledCriticalК.Н. Бажанов
Priority to SU122630ApriorityCriticalpatent/SU34977A1/ru
Application grantedgrantedCritical
Publication of SU34977A1publicationCriticalpatent/SU34977A1/ru