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 Wasserwonder BpkfiledCriticalWasserwonder Bpk
Priority to ZA700082ApriorityCriticalpatent/ZA7082B/en
Publication of ZA7082BpublicationCriticalpatent/ZA7082B/en