DIFF Subgroup Additional Only
C21B 2100/60 Process control or energy utilisation in the manufacture of iron or steel
Full Title
Handling of exhaust gases produced during the manufacture of iron or steel > Process control or energy utilisation in the manufacture of iron or steel
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Note: 3 CPC extensions are marked as secondary classification only.