DIFF Subgroup
H05B 31/52 electrodes energised from different phases of the supply
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electric arc lamps > having more than two electrodes > specially adapted for AC > electrodes energised from different phases of the supply
CPC:
Electric arc lamps (regulating electric characteristics of arcs G05F1/02) > having more than two electrodes > specially adapted for AC > electrodes energised from different phases of the supply
No child classifications to compare. This is a leaf node in both IPC and CPC.