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PCE
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CPC Subgroup
B21D 19/04

shaped as rollers

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 continuously-acting tools moving along the edge (edge-curling B21D19/12) > shaped as rollers

3 direct subcodes

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