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Priority claimed from NO983028Aexternal-prioritypatent/NO983028D0/no
Application filed by Josef FiltvedtfiledCriticalJosef Filtvedt
Priority to NO19992385ApriorityCriticalpatent/NO312151B1/no
Publication of NO992385D0publicationCriticalpatent/NO992385D0/no
Publication of NO992385LpublicationCriticalpatent/NO992385L/no
Publication of NO312151B1publicationCriticalpatent/NO312151B1/no