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F22B27/16—Instantaneous or flash steam boilers involving spray nozzles for sprinkling or injecting water particles on to or into hot heat-exchange elements, e.g. into tubes
F22B27/165—Instantaneous or flash steam boilers involving spray nozzles for sprinkling or injecting water particles on to or into hot heat-exchange elements, e.g. into tubes with film flow of water on heated surfaces
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FR469818D1913-03-151914-03-12Perfectionnements aux appareils servant à produire de la vapeur
ExpiredFR469818A
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