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Priority claimed from GB8609273Aexternal-prioritypatent/GB8609273D0/en
Application filed by Water Res CentrefiledCriticalWater Res Centre
Priority claimed from EP19870303411external-prioritypatent/EP0242225B1/en
Application grantedgrantedCritical
Publication of ATE97493T1publicationCriticalpatent/ATE97493T1/en