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Application filed by Ingolv HellandfiledCriticalIngolv Helland
Priority to NO913305ApriorityCriticalpatent/NO176434C/no
Publication of NO913305D0publicationCriticalpatent/NO913305D0/no
Publication of NO913305LpublicationCriticalpatent/NO913305L/no
Publication of NO176434BpublicationCriticalpatent/NO176434B/no
Publication of NO176434CpublicationCriticalpatent/NO176434C/no