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Individual
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Individual
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Priority to ES0066008UpriorityCriticalpatent/ES66008U/es
Publication of ES66008UpublicationCriticalpatent/ES66008U/es
Una lámpara incandescente perfeccionada, caracterizada por tener el circuito de su filamento constituido por un puente, en el que, un polo, es fijo y constante, y el contrario, está integrado por dos o más hilos distintos e independientes en su conexión superior; hallándose en dependencia de un casquillo móvil, que es susceptible de girar en un tramo de sector circular para verificar el cambio de filamento, cuando uno de ellos haya sido roto o fundido.