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Priority claimed from GB848402478Aexternal-prioritypatent/GB8402478D0/en
Priority claimed from GB848409926Aexternal-prioritypatent/GB8409926D0/en
Application filed by Wilmar EngfiledCriticalWilmar Eng
Priority claimed from EP19850300374external-prioritypatent/EP0150964B1/en
Application grantedgrantedCritical
Publication of ATE27576T1publicationCriticalpatent/ATE27576T1/en