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Tobiac S L
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Tobiac S L
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Publication of FR999727ApublicationCriticalpatent/FR999727A/fr
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
F22D7/00—Auxiliary devices for promoting water circulation
F22D7/02—Saddles or like directing plates fitted to furnace tubes
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FR999727D1949-11-191949-11-19Tuyère pour la circulation de l'eau à l'intérieur des chaudières
ExpiredFR999727A
(fr)