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 T GunzlerfiledCriticalT Gunzler
Priority to ZA00800191ApriorityCriticalpatent/ZA80191B/en
Publication of ZA80191BpublicationCriticalpatent/ZA80191B/en