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Energy management systems. Energy audits. Requirements with guidance for use
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Low-voltage electrical installation. Part 7. Requirements for special installations or locations. Section 709. Marinas and similar location
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Ceramic insulators and covers for voltage over 1000 V. General specifications
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Electrical apparatus for explosive gas atmospheres. Part 3. Spark-test apparatus for intrinsically-safe circuits
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Railway traction substations, transformer substations and power supply linear devices. Safety requirements and control methods
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Current collection by electric rolling stock current collector. The nomenclature of current collection quality indicators and method of its calculation
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