F23M3/04 - CPC Classification

Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam

• F23M3/06 » into or towards fire 1
• F23M3/08 » away from fire, e.g. towards smoke outlet 1
• F23M3/10 » transversely 1