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 Aeci LtdfiledCriticalAeci Ltd
Priority to ZA889374ApriorityCriticalpatent/ZA889374B/en
Publication of ZA889374BpublicationCriticalpatent/ZA889374B/en