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Top Terms > Vehicles and equipment > Equipment > Equipment by end use > Lighting equipment > Lamps > Electric lamps > Sodium vapor lamps

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Sodium vapor lamps (Qtpnmes)

Broader Term
Electric lamps (Qtpnme)
Related Terms (Hierarchical)
Fluorescent lamps (Qtpnmef)
Incandescent lamps (Qtpnmej)
Mercury vapor lamps (Qtpnmem)