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F22B1/00—Methods of steam generation characterised by form of heating method
F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
F22B1/26—Steam boilers of submerged-flame type, i.e. the flame being surrounded by, or impinging on, the water to be vaporised, e.g. water in sprays
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FR748265D1932-03-231932-03-23Procédé et appareil pour la production de la vapeur
ExpiredFR748265A
(fr)