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 Chauvier Daniel J V DfiledCriticalChauvier Daniel J V D
Priority to ZA872191ApriorityCriticalpatent/ZA872191B/en
Publication of ZA872191BpublicationCriticalpatent/ZA872191B/en