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 R BrammerfiledCriticalR Brammer
Priority to ZA731511ApriorityCriticalpatent/ZA731511B/en
Publication of ZA731511BpublicationCriticalpatent/ZA731511B/en