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Information technology Data centre facilities and infrastructures Part 4-2: Power Usage Effectiveness. Original standard UNE-EN 50600-4-2-2016 in PDF full version. Additional info + preview on request

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Information technology - Data centre facilities and infrastructures Part 4-3: Renewable Energy Factor. Original standard UNE-EN 50600-4-3-2016 in PDF full version. Additional info + preview on request

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Amendment 1 - Electric cables. Charging cables for electric vehicles. Original standard UNE-EN 50620-2017 A1-2020 in PDF full version. Additional info + preview on request

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Electric cables. Charging cables for electric vehicles. Original standard UNE-EN 50620-2017 in PDF full version. Additional info + preview on request

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Railway applications. Fixed installations. Protection principles for AC and DC electric traction systems. Original standard UNE-EN 50633-2017 in PDF full version. Additional info + preview on request

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Medical electrical equipment. Particular requirements for the basic safety and essential performance of medical beds for children. Original standard UNE-EN 50637-2017 in PDF full version. Additional info + preview on request

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