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F22G1/00—Steam superheating characterised by heating method
F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
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FR689762D1929-12-301929-12-30Super-réchauffeur continu d'air, gaz ou vapeurs à températures élevées
ExpiredFR689762A
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