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
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Application filed by R KnoetzefiledCriticalR Knoetze
Priority to ZA757063ApriorityCriticalpatent/ZA757063B/en
Priority to AU19526/76Aprioritypatent/AU1952676A/en
Publication of ZA757063BpublicationCriticalpatent/ZA757063B/en