DIFF Subgroup
B23K 9/0735 Full Title
Arc welding or cutting > Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc > Stabilising the arc
B23K 9/0735 Arc welding or cutting > Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc > Stabilising the arc