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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
F23L13/00—Construction of valves or dampers for controlling air supply or draught
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FR655358D1928-05-301928-05-30Régulateur de tirage et de combustion, notamment pour chaudières à eau chaude
ExpiredFR655358A
(fr)
Thermostat destiné à régler le tirage pour chauffages, installations de séchage, etc., consistant en des lamelles bi-métalliques renfermées dans un manchon à eau