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.)
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Publication date
Application filed by Sappi LtdfiledCriticalSappi Ltd
Priority to ZA00756193ApriorityCriticalpatent/ZA756193B/en
Priority to JP51117051Aprioritypatent/JPS5255702A/en
Publication of ZA756193BpublicationCriticalpatent/ZA756193B/en