DIFF Subgroup
F21V 19/02 with provision for adjustment, e.g. for focusing
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Fastening of light sources or lamp holders > with provision for adjustment, e.g. for focusing
CPC:
Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 ) > with provision for adjustment, e.g. for focusing
No child classifications to compare. This is a leaf node in both IPC and CPC.