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 Ebersohn ImanuelfiledCriticalEbersohn Imanuel
Priority to ZA896677ApriorityCriticalpatent/ZA896677B/en
Publication of ZA896677BpublicationCriticalpatent/ZA896677B/en