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 Hydroline Australia Pty LtdfiledCriticalHydroline Australia Pty Ltd
Priority to ZA851812ApriorityCriticalpatent/ZA851812B/en
Priority to BR8501476Aprioritypatent/BR8501476A/en
Publication of ZA851812BpublicationCriticalpatent/ZA851812B/en