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Priority to JP1989036283UpriorityCriticalpatent/JPH0438403Y2/ja
Publication of JPH02128301UpublicationCriticalpatent/JPH02128301U/ja
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Publication of JPH0438403Y2publicationCriticalpatent/JPH0438403Y2/ja
Light emitting diode assembly installed on the back of an electrical switch wall plate to indicate, in the dark, the location of the switch, or to indicate at any time an electrical circuit is carrying current