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 Kloeckner Becorit LtdfiledCriticalKloeckner Becorit Ltd
Priority to ZA00811909ApriorityCriticalpatent/ZA811909B/en
Publication of ZA811909BpublicationCriticalpatent/ZA811909B/en