Steam boilers of fire-box type, i.e. boilers where both combustion chambers and subsequent flues or fire tubes are arranged within the boiler body

Child Classifications

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• F22B 13/005
• F22B 13/02 mounted in fixed position with the boiler body disposed upright
• F22B 13/04 mounted in fixed position with the boiler body disposed substantially horizontally
• F22B 13/06 Locomobile, traction-engine, steam-roller, or locomotive boilers
• F22B 13/14 Component parts thereof; Accessories therefor