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Priority claimed from GB08505787Aexternal-prioritypatent/GB2174304A/en
Priority claimed from GB08601871Aexternal-prioritypatent/GB2174913A/en
Application filed by Siebe Gorman & Co LtdfiledCriticalSiebe Gorman & Co Ltd
Priority claimed from EP86301574Aexternal-prioritypatent/EP0194145B1/de
Application grantedgrantedCritical
Publication of ATE53947T1publicationCriticalpatent/ATE53947T1/de