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Application filed by Gaston KernfiledCriticalGaston Kern
Publication of CH10645ApublicationCriticalpatent/CH10645A/fr
New Construction of Fire Grate and Chimney Flue, Designed to Prevent and Cure Smoky Chimnies, to Check the Great Waste of Heat, and to Change the Draught at Will from Quick to Slow Combustion.