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Ciata High Pressure Sodium Lights, High-Intensity Discharge Lamps, 175 Watts, 65 CRI, 4000K Cool White, 14000 Lumens, E39 Mogul Base, 10000 Life Hours Metal Halide Lamps in Clear Finish - Amazon.com
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Philips - HID Lamp: High Intensity Discharge, 145 Watt, Commercial & Industrial, Mogul Base - 93866861 - MSC Industrial Supply
![Figure 1 from Spectral and photopic studies for high intensity discharge (HID) lamps | Semantic Scholar Figure 1 from Spectral and photopic studies for high intensity discharge (HID) lamps | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/fa1b4499103038d985e3ad276b9d26a49b105a30/1-Figure1-1.png)
Figure 1 from Spectral and photopic studies for high intensity discharge (HID) lamps | Semantic Scholar
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