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Individual
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Individual
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Priority to ES3429ApriorityCriticalpatent/ES3429A1/es
Publication of ES3429A1publicationCriticalpatent/ES3429A1/es
Perfeccionamientos introducidos en la construcción de hornos para la fabricación del hierro, el acero y otros metales dúctiles por el método de calefacción, que permite introducir en ellas sustancias sólidas y fluidos durante la misma.