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Ropes of wires for autotractor electrical equipment. General specifications
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Rotating electrical machines. Built in thermal protection. Thermal detector and control units used in thermal protection system
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Enamelled round copper wires with enamel on polyesterimide base. Technical requirements
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Power blocks for steam electric stations. Requirements for reliability, maneuverability and efficiency
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Power and voltage transformers and reactors. Test methods of insulation dielectric strength
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Photovoltaic systems. Connectors for DC-application. Classification, requirements and test methods
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