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 B WaxfiledCriticalB Wax
Priority to ZA00747690ApriorityCriticalpatent/ZA747690B/en
Publication of ZA747690BpublicationCriticalpatent/ZA747690B/en