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 Simon Johannes Van WesthuizenfiledCriticalSimon Johannes Van Westhuizen
Priority to ZA862167ApriorityCriticalpatent/ZA862167B/en
Publication of ZA862167BpublicationCriticalpatent/ZA862167B/en