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PCE
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CPC Subgroup
F22B 9/02

the boiler body being disposed upright, e.g. above the combustion chamber

Full Title

Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body > the boiler body being disposed upright, e.g. above the combustion chamber

2 direct subcodes

Child Classifications

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  • F22B 9/08 the fire tubes being in horizontal arrangement