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 B LundfiledCriticalB Lund
Priority to ZA708028ApriorityCriticalpatent/ZA708028B/en
Publication of ZA708028BpublicationCriticalpatent/ZA708028B/en