DIFF Subgroup
F21V 29/89 Metals
Introduced: January 2015
Full Title
Full titles differ between systems:
IPC:
Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems > characterised by the material > Metals
CPC:
Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems (lighting fixtures combined with outlets for air-treatment systems F24F13/078) > characterised by the material (liquid coolants F21V29/56) > Metals
No child classifications to compare. This is a leaf node in both IPC and CPC.