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Priority claimed from SU802909830Aexternal-prioritypatent/SU1029934A1/en
Application filed by Vincentas CiuladafiledCriticalVincentas Ciulada
Priority to LTRP901ApriorityCriticalpatent/LT2230B/en
Publication of LT2230BpublicationCriticalpatent/LT2230B/en