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F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
F23M5/00—Casings; Linings; Walls
F23M5/08—Cooling thereof; Tube walls
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FR624616D1926-11-151926-11-15Foyer à poussière de charbon pour chaudière à vapeur
ExpiredFR624616A
(fr)