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Priority claimed from PCT/AU1987/000408external-prioritypatent/WO1988004379A1/en
Application filed by Sealing Devices Pty LtdfiledCriticalSealing Devices Pty Ltd
Publication of NO883431D0publicationCriticalpatent/NO883431D0/en
Publication of NO883431LpublicationCriticalpatent/NO883431L/en