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Uninterruptible power systems with Lithium-iron phosphate cells. Technical requirements
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Hard magnetic sintered materials on basis neodymium-iron-boron alloys. Classification. Main parameters
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Glass line suspension and pin-type insulators. Requirements for quality of glass and insulating parts surface
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A. c. electrical installations for voltage from 3 to 750 kV. Creepage distance of external insulation
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Electric energy. Electromagnetic compatibility of technical equipment. Power quality limits in the public power supply systems
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Switches for household and similar fixed electrical installations. Part 2-4. Particular requirements for isolating switches
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