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Application filed by Р.Г. Гольцова, Э.Е. Нифантьев, К.А. Петров, н Л.В. ХорхоfiledCriticalР.Г. Гольцова
Priority to SU750806ApriorityCriticalpatent/SU150628A1/ru
Application grantedgrantedCritical
Publication of SU150628A1publicationCriticalpatent/SU150628A1/ru