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 Nico Bronkhorst RudolffiledCriticalNico Bronkhorst Rudolf
Priority to ZA912237ApriorityCriticalpatent/ZA912237B/en
Publication of ZA912237BpublicationCriticalpatent/ZA912237B/en