| 摘要 |
A housing is inserted from the rear side of a case having an indicating plate. The housing has a plurality of illuminating cells corresponding to the indicating plate, and a plurality of bulb insertion holes communicating with the illuminating cells, respectively. A common electrode plate passes through the vicinities of the bulb insertion holes while a plurality of control electrode plates pass through the vicinities of the bulb insertion holes opposite to the common electrode plate. A plurality of bulbs are inserted in and engaged with the bulb insertion holes and are electrically connected to the common electrode plate. One end of each of a plurality of wires are electrically connected to the control electrode plates.
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