DIFF Subgroup
F21V 7/16 with provision for adjusting the curvature
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Reflectors for light sources > Construction > with provision for adjusting the curvature
CPC:
Reflectors for light sources (characterised by cooling arrangements F21V29/505) > Construction > with provision for adjusting the curvature
No child classifications to compare. This is a leaf node in both IPC and CPC.