DIFF Subgroup
B23K 28/02 Combined welding or cutting procedures or apparatus
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Welding or cutting not covered by groups > Combined welding or cutting procedures or apparatus
CPC:
Welding or cutting not covered by groups B23K5/00 - B23K26/00 > Combined welding or cutting procedures or apparatus
No child classifications to compare. This is a leaf node in both IPC and CPC.