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 Hendrik Hancke CarelfiledCriticalHendrik Hancke Carel
Priority to ZA905426ApriorityCriticalpatent/ZA905426B/en
Publication of ZA905426BpublicationCriticalpatent/ZA905426B/en