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HENRY WILMET SPENCER
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HENRY WILMET SPENCER
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Application filed by HENRY WILMET SPENCERfiledCriticalHENRY WILMET SPENCER
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Publication of FR422984ApublicationCriticalpatent/FR422984A/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
F22D5/14—Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements
F22D5/16—Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements of fluids
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FR422984D1910-02-181910-11-12Régulateur d'eau d'alimentation pour chaudières à vapeur
ExpiredFR422984A
(fr)