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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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FR368108D1905-08-091906-07-17Procédé et appareil pour la production d'un tirage forcé pour foyers de chaudières à vapeur et autres
ExpiredFR368108A
(fr)