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 Aldek Eng LtdfiledCriticalAldek Eng Ltd
Priority to ZA00783803ApriorityCriticalpatent/ZA783803B/en
Publication of ZA783803BpublicationCriticalpatent/ZA783803B/en