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Application filed by Svein LoevikfiledCriticalSvein Loevik
Priority to NO884220ApriorityCriticalpatent/NO172723C/no
Publication of NO884220D0publicationCriticalpatent/NO884220D0/no
Publication of NO884220LpublicationCriticalpatent/NO884220L/no
Publication of NO172723BpublicationCriticalpatent/NO172723B/no
Publication of NO172723CpublicationCriticalpatent/NO172723C/no