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Priority claimed from GB9102380Aexternal-prioritypatent/GB2252497B/en
Application filed by Metzker Coutinho ElsimarfiledCriticalMetzker Coutinho Elsimar
Priority to ZA923077ApriorityCriticalpatent/ZA923077B/en
Publication of ZA923077BpublicationCriticalpatent/ZA923077B/en