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Application filed by К.Э. Горяйнов, йнов К.Э. ГорfiledCriticalК.Э. Горяйнов
Priority to SU385ApriorityCriticalpatent/SU75274A1/ru
Application grantedgrantedCritical
Publication of SU75274A1publicationCriticalpatent/SU75274A1/ru