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 Mechaniplan Proprietary LimitefiledCriticalMechaniplan Proprietary Limite
Priority to ZA863405ApriorityCriticalpatent/ZA863405B/en
Publication of ZA863405BpublicationCriticalpatent/ZA863405B/en