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Auxiliaries for lamps. D.c. or a.c. supplied electronic step-down converters for filament lamps. General and safety requirements
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Stationary diesel and gas fueled power plants. Energy efficiency
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Hydraulic turbines, storage pumps and pump-turbines. Tendering documents. Part 2. Guidelines for technical specifications for Francis turbines
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Electric generating plants with gasoline, diesel and gas internal combustion engines. Test methods
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Power semiconducting devices. Test and measurement methods
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