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 Andrea Ioppo GiannifiledCriticalAndrea Ioppo Gianni
Priority to ZA894120ApriorityCriticalpatent/ZA894120B/en
Publication of ZA894120BpublicationCriticalpatent/ZA894120B/en