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 P LloydfiledCriticalP Lloyd
Priority to ZA721214ApriorityCriticalpatent/ZA721214B/en
Publication of ZA721214BpublicationCriticalpatent/ZA721214B/en