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Priority claimed from PCT/GB1984/000130external-prioritypatent/WO1984004264A1/en
Application filed by Gkn Technology LtdfiledCriticalGkn Technology Ltd
Publication of NO845138LpublicationCriticalpatent/NO845138L/en
Publication of NO163269BpublicationCriticalpatent/NO163269B/en
Publication of NO163269CpublicationCriticalpatent/NO163269C/en