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F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
F23L5/00—Blast-producing apparatus before the fire
F23L5/04—Blast-producing apparatus before the fire by induction of air for combustion, e.g. using steam jet
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FR424640D1911-01-061911-01-06Procédé et appareils de réglage de tirage et de combustion pour foyers
ExpiredFR424640A
(fr)