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ANONIMA IMPIANTI RISCALDAMENTI
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ANONIMA IMPIANTI RISCALDAMENTI
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Publication of FR654741ApublicationCriticalpatent/FR654741A/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
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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FR654741D1927-04-051928-04-02Réchauffeur d'eau à tubes de fumées
ExpiredFR654741A
(fr)