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Full title - Further Developments in SF6 Switchgear for Distribution Systems incorporating a Rotating Arc Circuit Breaking Device. 12 page illustrated booket. Leaflet No. M108/85. Paper is based on a presentation to the Institution of Electrical Engineers, NE Centre, Power Section, Newcastle in September 1984, during their Symposium on Trends in Modern Switchgear Design from 3.3kV to 150kV.
