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PCE
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DIFF Subgroup
C21D 7/10

of the whole cross-section, e.g. of concrete reinforcing bars

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Modifying the physical properties of iron or steel by deformation > by cold working > of the whole cross-section, e.g. of concrete reinforcing bars

CPC:

Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24) > by cold working > of the whole cross-section, e.g. of concrete reinforcing bars

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • C21D 7/105 CPC only CPC only
  • C21D 7/12 by expanding tubular bodies IPC+CPC Available in IPC and CPC