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Priority claimed from GB838308443Aexternal-prioritypatent/GB8308443D0/en
Priority claimed from GB838331594Aexternal-prioritypatent/GB8331594D0/en
Application filed by British HydromechanicsfiledCriticalBritish Hydromechanics
Priority claimed from EP84302068Aexternal-prioritypatent/EP0123452B1/de
Application grantedgrantedCritical
Publication of ATE30520T1publicationCriticalpatent/ATE30520T1/de