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Priority claimed from NO790171Aexternal-prioritypatent/NO151872C/no
Publication of NO844159LpublicationCriticalpatent/NO844159L/no
Application filed by Discovision AssfiledCriticalDiscovision Ass
Priority to NO844159ApriorityCriticalpatent/NO157519C/no
Publication of NO157519BpublicationCriticalpatent/NO157519B/no
Publication of NO157519CpublicationCriticalpatent/NO157519C/no