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Priority claimed from GB838314188Aexternal-prioritypatent/GB8314188D0/en
Priority claimed from GB848401581Aexternal-prioritypatent/GB8401581D0/en
Application filed by Puk Water Treatment LimitedfiledCriticalPuk Water Treatment Limited
Priority claimed from EP84303489Aexternal-prioritypatent/EP0126653B1/de
Application grantedgrantedCritical
Publication of ATE42909T1publicationCriticalpatent/ATE42909T1/de