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Mejoras en medios conmutadores simplificados, caracterizadas esencialmente porque la clavija macho está constituida por una lámina aislante que sirve de soporte a los contactos de conexión, de tal forma que al doblar la lámina sobre si misma quedan estos contactos a ambos lados.
ES0219744A1955-01-251955-01-25Mejoras en los medios conmutadores simplificados
ExpiredES219744A1
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