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Application filed by Thorbjoern KristiansenfiledCriticalThorbjoern Kristiansen
Priority to NO810517ApriorityCriticalpatent/NO147725C/en
Publication of NO810517LpublicationCriticalpatent/NO810517L/en
Publication of NO147725BpublicationCriticalpatent/NO147725B/en
Publication of NO147725CpublicationCriticalpatent/NO147725C/en