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Protective plates of switches, plugs, control keys, electric bells, containing letters, figures, images, geometric lines and symbols, that invisible to normal light reveal their presence in the dark (Machine-translation by Google Translate, not legally binding)
Protective plates of switches, plugs, control keys, electric bells, containing letters, figures, images, geometric lines and symbols, that invisible to normal light reveal their presence in the dark (Machine-translation by Google Translate, not legally binding)
Double effect ornamentation in electrical switches characterized by the fact of presenting graphics or images on the front not visible in daylight or artificial light. (Machine-translation by Google Translate, not legally binding)
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