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 O & K Orenstein & Koppel SouthfiledCriticalO & K Orenstein & Koppel South
Priority to ZA846338ApriorityCriticalpatent/ZA846338B/en
Publication of ZA846338BpublicationCriticalpatent/ZA846338B/en