IPC Subgroup
C21B 3/04 Recovery of by-products, e.g. slag
Introduced: September 1968
Last revised: January 2006
Full Title
General features in the manufacture of pig-iron > Recovery of by-products, e.g. slag
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- METALLURGY OF IRON
- Subclass:
- MANUFACTURE OF IRON OR STEEL
Related Keywords
treatment of SLAG in iron production
1 direct subcode
Child Classifications
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- C21B 3/06 Treatment of liquid slag