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Individual
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Individual
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Priority to ES1874005176ApriorityCriticalpatent/ES5176H1/es
Publication of ES5176H1publicationCriticalpatent/ES5176H1/es
Mejoras en aparatos para evitar y consumir el humo y para asegurarla más completa combustión de carbón u otro combustible en hornos de caldera de vapor y de otras clases.
Hogar de parrillas en escalera, con alimentación de aire recalentado, a través de peldaños huecos, para quemar pizarras bituminosas, o esquistos, y cualquier otro combustible que contenga suficientes materias volátiles, estudiado principalmente para calen