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F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
F27D1/00—Casings; Linings; Walls; Roofs
F27D1/02—Crowns; Roofs
F27D1/025—Roofs supported around their periphery, e.g. arched roofs
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FR987624D1949-05-301949-05-30Procédé pour augmenter la durée de service des voûtes des fours métallurgiques, en particulier des fours siemens-martin
ExpiredFR987624A
(fr)
Procédé et dispositifs pour assurer la marche continue et automatique de fours d'électrolyse par voie ignée, en particulier pour la fabrication de l'al?sinium
Bloc réfractaire destiné au franchissement d'ouvertures latérales dans le revêtement de fours métallurgiques et procédé de fabrication de tels blocs