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DIFF Subgroup
B21C 23/08

Making wire, rods or tubes

Introduced: September 1968

Full Title

Extruding metal; Impact extrusion > Making uncoated products > by direct extrusion > Making wire, rods or tubes

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • B21C 23/085 CPC only CPC only
  • B21C 23/10 Making finned tubes IPC+CPC Available in IPC and CPC
  • B21C 23/12 Extruding bent tubes or rods IPC+CPC Available in IPC and CPC