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 Boart Int LtdfiledCriticalBoart Int Ltd
Priority to ZA9110061ApriorityCriticalpatent/ZA9110061B/en
Publication of ZA9110061BpublicationCriticalpatent/ZA9110061B/en