Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nortons Tividale LtdfiledCriticalNortons Tividale Ltd
Priority to ZA762938ApriorityCriticalpatent/ZA762938B/en
Priority to AU25447/77Aprioritypatent/AU2544777A/en
Publication of ZA762938BpublicationCriticalpatent/ZA762938B/en