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Priority claimed from NO752695Aexternal-prioritypatent/NO141379B/no
Application filed by Isola Fabrikker AsfiledCriticalIsola Fabrikker As
Priority to NO76761933ApriorityCriticalpatent/NO144299B/no
Publication of NO761933LpublicationCriticalpatent/NO761933L/no
Publication of NO144299BpublicationCriticalpatent/NO144299B/no