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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Application filed by A TilleyfiledCriticalA Tilley
Priority to ZA00739477ApriorityCriticalpatent/ZA739477B/en
Priority to AU76075/74Aprioritypatent/AU7607574A/en
Publication of ZA739477BpublicationCriticalpatent/ZA739477B/en