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CHAUDRONNERIES A F SMULDERS
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CHAUDRONNERIES A F SMULDERS
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F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
F22D1/24—Feed-water heaters, i.e. economisers or like preheaters with fire tubes or flue ways traversing feed-water vessels
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FR661745D1928-01-211928-09-25Réchauffeur d'eau dégazeur de récupération pour basse température à tubes de fumées
ExpiredFR661745A
(fr)
Thermomètre pour déterminer la température de l'eau de chauffage des installations de chauffage à eau chaude suivant la température extérieure du moment