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J Lyons and Co Ltd
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J Lyons and Co Ltd
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Publication of ES317176A1publicationCriticalpatent/ES317176A1/es
Unas mejoras en la fabricación de placas de calefacción para hornos y aparatos calentados de placas de calefacción para hornos y aparatos calentados eléctricamente
Perfeccionamientos introducidos en esclusas de hornos para la introduccion de material aportado continuamente en un horno de tratamiento termico, hermetico a gases y de funcio-namiento continuo.