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Priority claimed from US06/263,163external-prioritypatent/US4442859A/en
Publication of NO872384LpublicationCriticalpatent/NO872384L/no
Application filed by Otis Eng CofiledCriticalOtis Eng Co
Priority to NO872384ApriorityCriticalpatent/NO872384D0/no
Publication of NO872384D0publicationCriticalpatent/NO872384D0/no