Online Standards Store PDF

Guidelines on the protection of 6-1150 kV electrical circuits against lightning and internal overvoltages. All 3 parts

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Instruction on visual and measuring testing

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Guidelines for conservation of heat-power equipment

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Guidance on geotechnical control over preparation of grounds and erection of soil structures in power engineering

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Instructions for control of welded joints inaccessible for radiographic and ultrasonic testing

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Design norms for liquefied petroleum gas storage tanks

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