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Ljungstroms Angturbin AB
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Ljungstroms Angturbin AB
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Application filed by Ljungstroms Angturbin ABfiledCriticalLjungstroms Angturbin AB
Application grantedgrantedCritical
Publication of FR555545ApublicationCriticalpatent/FR555545A/en
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
F22D1/36—Water and air preheating systems
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FR555545D1922-06-301922-08-30
Air and feed water heater for steam boilers
ExpiredFR555545A
(en)