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Priority claimed from PCT/SE1982/000258external-prioritypatent/WO1983000700A1/en
Application filed by Karl Gunnar OhlsonfiledCriticalKarl Gunnar Ohlson
Publication of NO831423LpublicationCriticalpatent/NO831423L/en
Publication of NO156376BpublicationCriticalpatent/NO156376B/en
Publication of NO156376CpublicationCriticalpatent/NO156376C/en