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 Richard Arnold NepgenfiledCriticalRichard Arnold Nepgen
Priority to ZA834206ApriorityCriticalpatent/ZA834206B/en
Publication of ZA834206BpublicationCriticalpatent/ZA834206B/en