DIFF Subgroup
H01J 61/90 Lamps suitable only for intermittent operation, e.g. flash lamp
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Gas-discharge or vapour-discharge lamps > Lamps with discharge constricted by high pressure > Lamps suitable only for intermittent operation, e.g. flash lamp
CPC:
Gas-discharge or vapour-discharge lamps (arc lamps with consumable electrodes H05B; electroluminescent lamps H05B) > Lamps with discharge constricted by high pressure > Lamps suitable only for intermittent operation, e.g. flash lamp
No child classifications to compare. This is a leaf node in both IPC and CPC.