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 Susanna Helena Wolfowitz, Freda WolfowitzfiledCriticalSusanna Helena Wolfowitz
Priority to ZA9805859ApriorityCriticalpatent/ZA985859B/en
Publication of ZA985859BpublicationCriticalpatent/ZA985859B/en