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Priority claimed from GB868629962Aexternal-prioritypatent/GB8629962D0/en
Priority claimed from GB878709508Aexternal-prioritypatent/GB8709508D0/en
Priority claimed from GB878717050Aexternal-prioritypatent/GB8717050D0/en
Application filed by Robins Co Inc A HfiledCriticalRobins Co Inc A H
Priority claimed from EP87310859Aexternal-prioritypatent/EP0272052B1/en
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Publication of ATE77951T1publicationCriticalpatent/ATE77951T1/en