CPC Main Group
H05B 31/00 Electric arc lamps (regulating electric characteristics of arcs G05F1/02)
11 direct subcodes
Child Classifications
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- H05B 31/02 Details
- H05B 31/36 having two electrodes in line
- H05B 31/40 having two electrodes at an angle
- H05B 31/44 having two parallel electrodes
- H05B 31/48 having more than two electrodes