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Priority claimed from PCT/GB1981/000224external-prioritypatent/WO1982001383A1/en
Application filed by Paromec Eng LtdfiledCriticalParomec Eng Ltd
Publication of NO821956LpublicationCriticalpatent/NO821956L/en
Publication of NO161386BpublicationCriticalpatent/NO161386B/en
Publication of NO161386CpublicationCriticalpatent/NO161386C/en