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Priority claimed from NO790171Aexternal-prioritypatent/NO151872C/no
Publication of NO844160LpublicationCriticalpatent/NO844160L/no
Application filed by Discovision AssfiledCriticalDiscovision Ass
Priority to NO844160ApriorityCriticalpatent/NO158701C/no
Publication of NO158701BpublicationCriticalpatent/NO158701B/no
Publication of NO158701CpublicationCriticalpatent/NO158701C/no