CPC Subgroup
B29C 53/20 of tubes
Full Title
Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Straightening or flattening > of tubes
B29C 53/20 Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (B29C61/10 takes precedence) > Straightening or flattening > of tubes