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Priority claimed from US05/921,295external-prioritypatent/US4224242A/en
Priority claimed from GB7921382Aexternal-prioritypatent/GB2025406B/en
Application filed by American Home ProdfiledCriticalAmerican Home Prod
Publication of IE791232LpublicationCriticalpatent/IE791232L/en
Publication of IE48587B1publicationCriticalpatent/IE48587B1/en