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NORTHERN EQUIPMENT CO
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NORTHERN EQUIPMENT CO
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Application filed by NORTHERN EQUIPMENT COfiledCriticalNORTHERN EQUIPMENT CO
Application grantedgrantedCritical
Publication of FR657345ApublicationCriticalpatent/FR657345A/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
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FR657345D1926-11-241927-11-30Procédé et appareil pour l'alimentation en eau des chaudières
ExpiredFR657345A
(fr)