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tungsten halogen lamp
gas-filled lamp containing halogens or halogen compounds, the filament being of tungsten
Note 1 to entry: Iodine lamps belong to this category.
Note 2 to entry: This entry was numbered 845-07-10 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-1353 in CIE S 017:2011.