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Light conduction chambers for foil-covered keyboards or seven-segment indicator systems take the form of cutouts for individual LED in a layer which does not let through light
Light conduction chambers for foil-covered keyboards or seven-segment indicator systems take the form of cutouts for individual LED in a layer which does not let through light
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机译:铝箔覆盖键盘或七段指示器系统的光导室采用单个LED的切口形式,该层在不允许光线透过的层中
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摘要
The light conduction chambers for foil-covered keyboards or seven-segment indicator systems take the form of cutouts (4) for individual rectangular LED (6) in a layer (2) which does not let through light.
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