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 I PhillipsfiledCriticalI Phillips
Priority to ZA00782452ApriorityCriticalpatent/ZA782452B/en
Publication of ZA782452BpublicationCriticalpatent/ZA782452B/en