Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7036917Aexternal-prioritypatent/FR2074894A5/fr
Application filed by North Western Gas BoardfiledCriticalNorth Western Gas Board
Publication of BE758630ApublicationCriticalpatent/BE758630A/xx
F22B7/00—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body
F22B7/02—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body without auxiliary water tubes