DIFF Main Group
C21D 7/00 Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Modifying the physical properties of iron or steel by deformation
CPC: Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24)
Full Title
Full titles differ between systems:
IPC:
Modifying the physical properties of iron or steel by deformation
CPC:
Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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