IPC Subgroup
C10B 29/04 Controlling or preventing expansion or contraction
Introduced: September 1968
Last revised: January 2006
Full Title
Other details of coke ovens > Controlling or preventing expansion or contraction
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS