CPC Main Group
B21D 13/00 Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form (tubes B21D15/00)
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B21D 13/02 by pressing
- B21D 13/04 by rolling
- B21D 13/06 by drawing
- B21D 13/08 by combined methods
- B21D 13/10 into a peculiar profiling shape