| 摘要 |
An incandescence lamp apparatus, comprises two or more incandescence lamps arranged in parallel to each other, each of which has a tube type glass bulb, wherein the glass bulb of each incandescence lamp has an exhaust pipe remaining portion, wherein in a plane perpendicular to a tube axis of the glass bulb, the respective exhaust pipe remaining portions of the two or more incandescence lamps are located within an envelope curve which is commonly in contact with respective outer circumferential surfaces of the glass bulbs of the two or more incandescence lamps, and wherein all of the exhaust pipe remaining portions adjacent to each other respectively overlap each other in a direction in which the incandescence lamps extend.
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