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 Andreas Meier WernerfiledCriticalAndreas Meier Werner
Priority to ZA919027ApriorityCriticalpatent/ZA919027B/en
Publication of ZA919027BpublicationCriticalpatent/ZA919027B/en