DIFF Subgroup
C21C 5/28 Manufacture of steel in the converter
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel > Manufacture of steel in the converter
CPC:
Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel > Manufacture of steel in the converter
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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