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 Paperkem Proprietary LimitedfiledCriticalPaperkem Proprietary Limited
Priority to ZA983481ApriorityCriticalpatent/ZA983481B/en
Publication of ZA983481BpublicationCriticalpatent/ZA983481B/en