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 David Whitehead & Sons S A PtyfiledCriticalDavid Whitehead & Sons S A Pty
Priority to ZA200100722ApriorityCriticalpatent/ZA200100722B/en
Publication of ZA200100722BpublicationCriticalpatent/ZA200100722B/en