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Priority claimed from US06/332,771external-prioritypatent/US4377643A/en
Priority claimed from NO824284Aexternal-prioritypatent/NO159144C/en
Publication of NO863889LpublicationCriticalpatent/NO863889L/en
Application filed by Standard Oil Co OhiofiledCriticalStandard Oil Co Ohio
Priority to NO863889ApriorityCriticalpatent/NO863889D0/en
Publication of NO863889D0publicationCriticalpatent/NO863889D0/en