8539: Electric filament, discharge lamps

853910: Sealed beam lamp units 853921: Filament lamps, tungsten halogen 853922: Filament lamps, of a power <= 200 Watt, > 100 volts 853929: Filament lamps, except ultraviolet or infra-red, nes 853931: Fluorescent lamps, hot cathode 853939: Discharge lamps, other than ultra-violet lamps, nes 853940: Ultra-violet or infra-red lamps, arc lamps 853990: Parts of electric filament or discharge lamps 8539: Electric filament, discharge lamps