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Priority claimed from SU894688133Aexternal-prioritypatent/RU1790408C/ru
Application filed by Juozas PrusinskasfiledCriticalJuozas Prusinskas
Priority to LTRP1091ApriorityCriticalpatent/LT2311B/lt
Publication of LT2311BpublicationCriticalpatent/LT2311B/lt