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PCE
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DIFF Subgroup
B21B 17/08

with mandrel having one or more protrusions

Introduced: September 1968

Full Title

Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling > with mandrel having one or more protrusions

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • B21B 17/10 in a continuous process IPC+CPC Available in IPC and CPC
  • B21B 17/12 in a discontinuous process IPC+CPC Available in IPC and CPC