CPC Subgroup
F27D 17/10 Arrangements for using waste heat
Full Title
Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases > Arrangements for using waste heat
5 direct subcodes
Child Classifications
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- F27D 17/12 using heat storage
- F27D 17/15 using boilers
- F27D 17/17 for preheating fluids, e.g. air or gases
- F27D 17/18 for preheating solid materials