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Perfeccionamientos en la fabricación de tubos fluorescentes y fosforescentes caracterizados por un manguito cilíndrico (fig.1) constituido por un enrejado de tela embadurnado de cuerpos fluorescentes o fosforescentes cuyo manguito se inserta en el interior de un tubo luminiscentes.
ES0184059A1948-06-101948-06-10PERFECCIONAMIENTOS EN LA FABRICACIoN DE TUBOS FLUORESCENTES Y FOSFORESCENTES
ExpiredES184059A1
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