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 Control Chemicals ProprietaryfiledCriticalControl Chemicals Proprietary
Priority to ZA863330ApriorityCriticalpatent/ZA863330B/en
Publication of ZA863330BpublicationCriticalpatent/ZA863330B/en