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Priority claimed from SE8605510Aexternal-prioritypatent/SE8605510L/en
Application filed by Aga AbfiledCriticalAga Ab
Priority claimed from EP19880900488external-prioritypatent/EP0296198B1/en
Application grantedgrantedCritical
Publication of ATE67536T1publicationCriticalpatent/ATE67536T1/en