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 Goldfields Engineering Pty LtdfiledCriticalGoldfields Engineering Pty Ltd
Priority to ZA881548ApriorityCriticalpatent/ZA881548B/en
Publication of ZA881548BpublicationCriticalpatent/ZA881548B/en