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Solid electrical insulating materials. Methods for evaluation of electrical strength at a. c. voltage at power (50 Hz) frequency and d. c. voltage
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Reciprocating internal combustion engines. Classification according to scope of automatization and technical requirement for automatization
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Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Basic parameters
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Winding wires. Test methods. Part 4. Electrical properties
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Enamelled rectangular winding wires. Method of the flexibility test
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