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 Uwe JaspersenfiledCriticalUwe Jaspersen
Priority to ZA9700206ApriorityCriticalpatent/ZA97206B/en
Publication of ZA97206BpublicationCriticalpatent/ZA97206B/en