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Greening & Sons Ltd
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Greening & Sons Ltd
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Application filed by Greening & Sons LtdfiledCriticalGreening & Sons Ltd
Application grantedgrantedCritical
Publication of FR319228ApublicationCriticalpatent/FR319228A/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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FR319228D1902-03-031902-03-03Appareil d'alimentation en retour et récipient
ExpiredFR319228A
(fr)