DIFF Subgroup
F24H 15/421 using pre-stored data
Introduced: January 2022
Full Title
Control of fluid heaters > characterised by the type of controllers > using electronic processing, e.g. computer-based > using pre-stored data
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2022.
Child Classifications
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