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 Carel Hendrik KrugerfiledCriticalCarel Hendrik Kruger
Priority to ZA200404123ApriorityCriticalpatent/ZA200404123B/en
Publication of ZA200404123BpublicationCriticalpatent/ZA200404123B/en