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Priority claimed from PCT/GB1983/000085external-prioritypatent/WO1983003409A1/en
Application filed by Davy Mckee LtdfiledCriticalDavy Mckee Ltd
Publication of NO834335LpublicationCriticalpatent/NO834335L/no
Publication of NO158870BpublicationCriticalpatent/NO158870B/no
Publication of NO158870CpublicationCriticalpatent/NO158870C/no