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 Darbel Pty LtdfiledCriticalDarbel Pty Ltd
Priority to ZA921700ApriorityCriticalpatent/ZA921700B/en
Publication of ZA921700BpublicationCriticalpatent/ZA921700B/en