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 G WatsonfiledCriticalG Watson
Priority to ZA726046ApriorityCriticalpatent/ZA726046B/en
Publication of ZA726046BpublicationCriticalpatent/ZA726046B/en