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Priority claimed from SE8402750Aexternal-prioritypatent/SE442474B/en
Priority claimed from SE8404109Aexternal-prioritypatent/SE441800B/en
Application filed by Holmberg Gote Eskil Yngve, Holmberg Brita G E, Holmberg Dick L LfiledCriticalHolmberg Gote Eskil Yngve
Priority claimed from EP85902709Aexternal-prioritypatent/EP0183768B1/en
Application grantedgrantedCritical
Publication of ATE37977T1publicationCriticalpatent/ATE37977T1/en