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
Priority claimed from ZA90230Aexternal-prioritypatent/ZA90230B/en
Application filed by Jacobus Karsten DanielfiledCriticalJacobus Karsten Daniel
Priority to ZA912404ApriorityCriticalpatent/ZA912404B/en
Publication of ZA912404BpublicationCriticalpatent/ZA912404B/en