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WILHELM BARTHOLDT DIDRICK PONN
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WILHELM BARTHOLDT DIDRICK PONN
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Application filed by WILHELM BARTHOLDT DIDRICK PONNfiledCriticalWILHELM BARTHOLDT DIDRICK PONN
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Publication of FR418644ApublicationCriticalpatent/FR418644A/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
F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
F22D5/08—Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves
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FR418644D1910-07-271910-07-27Appareil d'alimentation d'eau pour chaudières
ExpiredFR418644A
(fr)