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 Grinaker Precast Pty LtdfiledCriticalGrinaker Precast Pty Ltd
Priority to ZA815921ApriorityCriticalpatent/ZA815921B/en
Publication of ZA815921BpublicationCriticalpatent/ZA815921B/en