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Developments in variable speed drives for fluid machinery :: conference sponsored by the Power Industries Division of the Institution of Mechanical Engineers and the Institution of Electrical Engineers, 9 June 1981, Institution Headquarters, 1 Birdcage Walk, Westminster, London.
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Developments in variable speed drives for fluid machinery :: conference sponsored by the Power Industries Division of the Institution of Mechanical Engineers and the Institution of Electrical Engineers, 9 June 1981, Institution Headquarters, 1 Birdcage Walk, Westminster, London.