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Priority claimed from AU17538/88Aexternal-prioritypatent/AU1753888A/en
Priority claimed from SU894742488Aexternal-prioritypatent/RU1776349C/en
Application filed by Roads And Traffic Authority OffiledCriticalRoads And Traffic Authority Of
Publication of LT2136BpublicationCriticalpatent/LT2136B/en