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 Ilias GyulafiledCriticalIlias Gyula
Priority to ZA882941ApriorityCriticalpatent/ZA882941B/en
Publication of ZA882941BpublicationCriticalpatent/ZA882941B/en