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Application filed by Калининский политехнический институтfiledCriticalКалининский политехнический институт
Priority to SU4405873/11ApriorityCriticalpatent/RU1531377C/ru
Priority claimed from SU4405873/11Aexternal-prioritypatent/RU1531377C/ru
Application grantedgrantedCritical
Publication of SU1531377A1publicationCriticalpatent/SU1531377A1/ru
Publication of RU1531377CpublicationCriticalpatent/RU1531377C/ru