DIFF Subgroup
F21V 5/10 comprising photoluminescent material
Introduced: January 2018
Full Title
Full titles differ between systems:
IPC:
Refractors for light sources > comprising photoluminescent material
CPC:
Refractors for light sources (characterised by cooling arrangements F21V29/504) > comprising photoluminescent material
No child classifications to compare. This is a leaf node in both IPC and CPC.