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Un soporte elástico perfeccionado, para filamentos de bombillas eléctricas, caracterizado esencialmente por disponer uno de los electrodos, dándole forma espiral o zigzagueante, en el interior de la varilla soporte, y el otro empalmado al resorte que une las fracciones de la varilla, de tal manera que éste sea una prolongación del electrodo; verificándose la unión de los electrodos al filamento, por intermedio de dos de las patillas que sirven de sujeción a éste.
ES0004380U1935-12-031935-12-03Soporte elástico perfeccionado para filamentos de bombillas eléctricas.
ExpiredES4380Y
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Elektrode eller anden af Nikkel eller i Hovedsagen af Nikkel bestaaende ledende Del, der anvendes i Udladningsrør eller Glødelamper og er udsat for direkte Opvarmning.