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Priority claimed from NO851560Aexternal-prioritypatent/NO156034C/no
Priority claimed from NO854673Aexternal-prioritypatent/NO157367C/no
Application filed by Aalvik Thune HfiledCriticalAalvik Thune H
Priority claimed from EP86902529Aexternal-prioritypatent/EP0219523B1/de
Application grantedgrantedCritical
Publication of ATE54813T1publicationCriticalpatent/ATE54813T1/de