Steam superheaters characterised by location, arrangement, or disposition

Child Classifications

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• F22G 7/005
• F22G 7/02 in fire tubes
• F22G 7/04 in jackets around fire tubes
• F22G 7/06 in furnace tubes
• F22G 7/08 in fire-boxes
• F22G 7/10 in smoke-boxes
• F22G 7/12 in flues
• F22G 7/14 in water-tube boilers, e.g. between banks of water tubes