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Priority claimed from GB08316341Aexternal-prioritypatent/GB2141448A/en
Application filed by Hollingsworth Uk LtdfiledCriticalHollingsworth Uk Ltd
Priority claimed from EP84303911Aexternal-prioritypatent/EP0132045B1/en
Application grantedgrantedCritical
Publication of ATE27620T1publicationCriticalpatent/ATE27620T1/en