| 摘要 |
PURPOSE: A device is provided to permit the dial knob to be accurately mounted, while preventing the dial knob from being scratched. CONSTITUTION: A device comprises inner flanges(22a,22b) extended in a rear direction from the inner surface of a mounting hole(22); an extended portion(12) extended in a radial direction from the rear end of a dial knob(10); and a front extended portion(14) extended in a forward direction from the extended portion. The inner flanges are inserted into the front extended portion.
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