DIFF Subgroup
B23K 9/133 Means for feeding electrodes, e.g. drums, rolls, motors
Introduced: January 1990
Full Title
Arc welding or cutting > Automatic feeding or moving of electrodes or work for spot or seam welding or cutting > Means for feeding electrodes, e.g. drums, rolls, motors
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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