| 摘要 |
In a bulb and a luminaire according to one embodiment, plural fins for thermal radiation are provided on the outer circumferential surface of a main body in which a lighting circuit is attached, a light-emitting module is attached to a module attaching section integrated with the front of the main body, and a cylindrical section that surrounds the light-emitting module is protrudingly provided on a light extracting side.
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