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Power transformers. Methods of measuring partial discharge characteristics during power frequency voltage testing
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Selection and dimensioning of high-voltage insulators intended for use in polluted conditions. Part 3. Polymer insulators for a.c. systems
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Varnished cloth. Methods for accelerated determination of thermal endurance
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Flexible screened cables and cords. Methods of measurement of the electrical resistance of the screens
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Gas burners, gas/oil burner and pulverized solid fuel/gas burners of steam and hot-water boilers. Acceptance test. Basis requirements
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