Electrical equipment for voltages 3 kV and higher. Test methods of electric strength of external insulation in conditions of contamination
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Electrical equipment of high voltage. Methods of comparative tests for the electrical strength of external insulation under contamination conditions
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Electrical equipment of high voltage. Methods of tests for the electrical strength of external insulation under contamination conditions
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Electrical equipment for voltages 3 kV and higher. Test methods of electric strength of external insulation in conditions of contamination
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Electrical equipment for ac voltages of 3 to 500 kv
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Electrical equipment and installations for a. c. voltages 3 kV and higher. General test methods of electrical strength of insulation
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Electrical equipment and installations for a.c. voltage 3 kV and higher. General methods of dielectric tests
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Electrical equipment for a.c. voltages from 1 to 750 kV. Requirements for dielectric strength of insulation
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Test and discharge voltages of high-voltage transformers, apparatus and insulators for installations connected to air networks
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Transformers, apparatus and insulators of high voltage. Norms and methods for testing the electrical strength of insulation
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Transformers, apparatus and insulators of high voltage. Norms and methods for testing the electrical strength of insulation
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Electrical articles. Test methods as to environments climatic factors resistance
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