DIFF Subgroup
H05B 31/46 specially adapted for AC
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electric arc lamps > having two parallel electrodes > specially adapted for AC
CPC:
Electric arc lamps (regulating electric characteristics of arcs G05F1/02) > having two parallel electrodes > specially adapted for AC
No child classifications to compare. This is a leaf node in both IPC and CPC.