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 Grinaker Constr LtdfiledCriticalGrinaker Constr Ltd
Priority to ZA989132ApriorityCriticalpatent/ZA989132B/en
Publication of ZA989132BpublicationCriticalpatent/ZA989132B/en