CPC Subgroup
F24H 1/52 incorporating heat exchangers for domestic water (F24H1/50 takes precedence)
Full Title
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters (steam boilers F22B) > Water heaters for central heating incorporating heaters for domestic water > incorporating heat exchangers for domestic water (F24H1/50 takes precedence)
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