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Lighting installations for advertising signs with a rated output voltage not exceeding 1000V , which are illuminated by hot-cathode-fluorescent lamps, luminous discharge tubes (neon-tubes), inductive discharge lamps, light emitting diodes (LEDS) and/or LED modules

Optical radiation physics and illuminating engineering - Part 100: Melanopic effects of ocular light on human beings - Quantities, symbols and action spectra

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