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Caplights for use in mines susceptible to firedamp. Part 2. Performance and other safety-related matters
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Luminaires. Part 2. Particular requirements. Section 2. Recessed luminaires
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Lightning protection system components. Part 3. Requirements for isolating spark gaps
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Gas-consuming thermal units. Industrial gas burners. Limiting concentration rates of NOx in combustion products
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Measurement procedures for operational control of instruments for activity measurement
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Auxiliaries for lamps. d.c. or a.c. supplied electronic step-down converters for filament lamps. Performance requirements
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