NOTE: This definition was changed in RP-16-17 Addendum 4. Deletions have a strike-through. New text is bold.
An incandescent filament lamp or electric discharge lamp in which the outer bulb is formed of two pressed parts that are fused or sealed together; in particular, a reflectorized bowl and a cover that may be clear or patterned for optical control.
[See sealed-beam lamp.]
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