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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
F22D11/00—Feed-water supply not provided for in other main groups
F22D11/006—Arrangements of feedwater cleaning with a boiler
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FR851389D1938-03-291939-03-09Dispositif applicable aux chaudières pour séparer de l'eau les impuretés floconneuses
ExpiredFR851389A
(fr)