CPC Subgroup
F24H 1/20 with immersed heating elements, e.g. electric elements or furnace tubes
Full Title
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters (steam boilers F22B) > Water-storage heaters > with immersed heating elements, e.g. electric elements or furnace tubes
3 direct subcodes
Child Classifications
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