DIFF Subgroup
B21D 19/082 Full Title
Flanging or other edge treatment, e.g. of tubes (connecting by making use of folds B21D39/00; flaring-out tube ends B21D41/02) > by single or successive action of pressing tools, e.g. vice jaws
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.