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 Dart Ind IncfiledCriticalDart Ind Inc
Priority to ZA00756752ApriorityCriticalpatent/ZA756752B/en
Publication of ZA756752BpublicationCriticalpatent/ZA756752B/en