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Priority claimed from US06/631,607external-prioritypatent/US4543874A/en
Priority claimed from SE8500282Aexternal-prioritypatent/SE459357B/sv
Application filed by Olsbergs Hydraulic AbfiledCriticalOlsbergs Hydraulic Ab
Priority claimed from EP19850850240external-prioritypatent/EP0172150B1/de
Application grantedgrantedCritical
Publication of ATE37590T1publicationCriticalpatent/ATE37590T1/de