CPC Subgroup
F01K 3/26 with heating by steam
Full Title
Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein (regenerating exhaust steam F01K19/00) > having heaters (having both steam accumulator and heater F01K3/14; steam heaters per se F22) > with heating by steam
2 direct subcodes
Child Classifications
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