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Application filed by Svein TeglefiledCriticalSvein Tegle
Priority to NO810821ApriorityCriticalpatent/NO147400C/en
Publication of NO810821LpublicationCriticalpatent/NO810821L/en
Publication of NO147400BpublicationCriticalpatent/NO147400B/en
Publication of NO147400CpublicationCriticalpatent/NO147400C/en