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Priority claimed from GB838313851Aexternal-prioritypatent/GB8313851D0/en
Priority claimed from GB08409278Aexternal-prioritypatent/GB2157432B/en
Application filed by United Gas Industries Ltd, Teddington Appliance ControlsfiledCriticalUnited Gas Industries Ltd
Publication of IT8448209A0publicationCriticalpatent/IT8448209A0/it