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 Costa LivanosfiledCriticalCosta Livanos
Priority to ZA867599ApriorityCriticalpatent/ZA867599B/en
Publication of ZA867599BpublicationCriticalpatent/ZA867599B/en