Jackson, A. D., Gibson III, R. G., Carleton, S. A., Wu, S., Kowalczyk, L. N., & Steere, T., et al. December 2 2002. 150w-1000w mastercolor ceramic metal halide lamp series with color temperature about 4000k, for high pressure sodium or quartz metal halide retrofit applications. Google Patents US 2002/0185979 A1. |
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