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 H HendriksfiledCriticalH Hendriks
Priority to ZA00746324ApriorityCriticalpatent/ZA746324B/en
Publication of ZA746324BpublicationCriticalpatent/ZA746324B/en