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F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
F27B1/00—Shaft or like vertical or substantially vertical furnaces
F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
F27B1/22—Arrangements of heat-exchange apparatus
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FR458242D1913-05-221913-05-22Procédé et appareil pour empecher la formation d'oxyde de carbone dans les fours de fusion et cubilots
ExpiredFR458242A
(fr)