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Lightning protection system components. Part 7. Requirements for earthing enhancing compounds
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Self-ballasted lamps for general lighting services. Safety requirements
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Mining equipment. Multipurpose safety systems and automated control systems for technological processes in the mine. Requirements for metrological providing and test methods
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Rotating electrical machines. Part 2-2. Specific methods for determining separate losses of large machines from tests
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Solid electroinsulating materials. Method for the determination of arc resistance of direct voltage up to 1000 V
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