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Priority claimed from PCT/AU1991/000591external-prioritypatent/WO1992011179A1/en
Application filed by Tank & Pipe Welding Pty LtdfiledCriticalTank & Pipe Welding Pty Ltd
Publication of NO932314D0publicationCriticalpatent/NO932314D0/en
Publication of NO932314LpublicationCriticalpatent/NO932314L/en