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 S R E Developments CcfiledCriticalS R E Developments Cc
Priority to ZA894424ApriorityCriticalpatent/ZA894424B/en
Publication of ZA894424BpublicationCriticalpatent/ZA894424B/en