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 Voest AgfiledCriticalVoest Ag
Priority to ZA762473ApriorityCriticalpatent/ZA762473B/en
Publication of ZA762473BpublicationCriticalpatent/ZA762473B/en