LIGHT GUIDE PLATE FOR PUSH-BUTTON SWITCH DEVICE AND PUSH-BUTTON SWITCH DEVICE
PROBLEM TO BE SOLVED: To provide a light guide plate for a push-button switch device flexible and capable of surely lighting the push button, and the push-button switch device using it. SOLUTION: The light guide plate 30 for a push-button switch is the light guide plate 30 guiding light emitted from...
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Sprache: | eng |
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