DIFF Subgroup
F21S 45/42 Forced cooling
Introduced: January 2018
Full Title
Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light > Cooling of lighting devices > Forced cooling
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2018.
Child Classifications
Navigate with arrow keys, Enter to open