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 Mathys Johannes HumanfiledCriticalMathys Johannes Human
Priority to ZA988556ApriorityCriticalpatent/ZA988556B/en
Publication of ZA988556BpublicationCriticalpatent/ZA988556B/en