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 Irl Daffin AssociatesfiledCriticalIrl Daffin Associates
Priority to ZA734348ApriorityCriticalpatent/ZA734348B/en
Publication of ZA734348BpublicationCriticalpatent/ZA734348B/en