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Priority claimed from SE8604971Aexternal-prioritypatent/SE459862B/sv
Application filed by Sandvik AbfiledCriticalSandvik Ab
Priority claimed from EP87850354Aexternal-prioritypatent/EP0270509B1/de
Application grantedgrantedCritical
Publication of ATE80669T1publicationCriticalpatent/ATE80669T1/de