IPC Subgroup
C22B 19/18 Condensers; Receiving vessels
Introduced: September 1968
Last revised: January 2006
Full Title
Obtaining zinc or zinc oxide > Obtaining zinc by distilling > Distilling vessels > Condensers; Receiving vessels
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- Subclass:
- PRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS