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Priority claimed from GB838326357Aexternal-prioritypatent/GB8326357D0/en
Priority claimed from GB848410379Aexternal-prioritypatent/GB8410379D0/en
Application filed by Hoskins LtdfiledCriticalHoskins Ltd
Priority claimed from EP84108076Aexternal-prioritypatent/EP0136419B1/de
Application grantedgrantedCritical
Publication of ATE41738T1publicationCriticalpatent/ATE41738T1/de