DIFF Subgroup
H05B 31/50 specially adapted for AC
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electric arc lamps > having more than two electrodes > specially adapted for AC
CPC:
Electric arc lamps (regulating electric characteristics of arcs G05F1/02) > having more than two electrodes > specially adapted for AC
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- H05B 31/52 electrodes energised from different phases of the supply IPC+CPC Available in IPC and CPC