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 Whipp & Bourne LtdfiledCriticalWhipp & Bourne Ltd
Priority to ZA971213ApriorityCriticalpatent/ZA971213B/en
Publication of ZA971213BpublicationCriticalpatent/ZA971213B/en