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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
F22D1/42—Feed-water heaters, i.e. economisers or like preheaters specially adapted for locomotives
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FR412075D1910-01-311910-01-31Réchauffeur d'eau d'alimentation pour générateurs de locomotives et autres
ExpiredFR412075A
(fr)
Système combiné de réchauffeur d'eau d'alimentation et de pare-étincelles à refroidissement par l'eau pour locomotives et autres machines analogues