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Priority claimed from GB888814585Aexternal-prioritypatent/GB8814585D0/en
Priority claimed from GB888825830Aexternal-prioritypatent/GB8825830D0/en
Application filed by Servomex Uk LtdfiledCriticalServomex Uk Ltd
Priority claimed from EP89907783Aexternal-prioritypatent/EP0379553B1/en
Application grantedgrantedCritical
Publication of ATE86735T1publicationCriticalpatent/ATE86735T1/en