| 摘要 |
In first to third support wires (12, 13, 14) connected to a low beam filament L and a high beam filament H, which are arranged in the light source bulb 9, a bent portion 13a is formed by bending the second support wire 13 from a curved portion 13c towards the first support wire at an obtuse angle theta2, and each rear lead Lb, Hb of the low beam filament L and the high beam filament H is connected to the bent portion 13a. Moreover, a bent portion 14a is provided by bending the third support wire 14 from a curved portion 14c towards the second support wire at an obtuse angle theta3, and a front lead Ha of the high beam filament H is connected to the bent portion 14a. The extended portions 13b and 14b of the second support wire 13 and the third support wire 14 are inclined at an obtuse angle theta4, theta5, respectively.
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