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Priority claimed from NO19971885Aexternal-prioritypatent/NO311343B1/en
Application filed by Eng & Drilling Machinery AsfiledCriticalEng & Drilling Machinery As
Priority to NO19995158ApriorityCriticalpatent/NO322191B1/en
Publication of NO995158D0publicationCriticalpatent/NO995158D0/en
Publication of NO995158LpublicationCriticalpatent/NO995158L/en
Publication of NO322191B1publicationCriticalpatent/NO322191B1/en