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Application filed by Knut BoersethfiledCriticalKnut Boerseth
Priority to NO885334ApriorityCriticalpatent/NO165953C/en
Publication of NO885334D0publicationCriticalpatent/NO885334D0/en
Publication of NO885334LpublicationCriticalpatent/NO885334L/en
Publication of NO165953BpublicationCriticalpatent/NO165953B/en
Publication of NO165953CpublicationCriticalpatent/NO165953C/en