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Electrical installations of buildings. Part 4. Protection for safety. Protection against thermal effects
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United power system and isolated power systems. Planning of power systems development. General requirements
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Conformity assessment system for the use of nuclear energy. Experts in certification of quality management systems. Requirements and procedure of confirmation of competence
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General purpose adjustable d. c. drive systems. General technical requirements
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Rotating electrical machines. Part 18-22. Functional evaluation of insulation systems. Test procedures for wire-wound windings. Classification of changes and insulation component substitutions
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