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Hydro power plants. Part 1-9. Hydraulic structures of hydropower stations. Safety requirements under operation

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IEC System of plugs and socket-outlets for household and similar purposes. Particular requirements for SELV plugs and sockets 6, 12, 24, 48 V, a. c. and d. c., 16 A. Technical requirements

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Power semiconductor modules. Overall and mounting dimensions

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Hydraulic turbines, storage pumps and pump-turbines. Model acceptance tests

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Rotating electrical machinery. General test methods. Noise levels determinations

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Electrical apparatus for explosive gas atmospheres. Part 6. Oil-immersion 'o'

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