IPC Subgroup
E21F 17/16 Modification of mine passages or chambers for storage purposes, especially for liquids or gases
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or devices for use in mines or tunnels, not covered elsewhere > Modification of mine passages or chambers for storage purposes, especially for liquids or gases
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
Related Keywords
storing FLUID(S) in mine cavitiesSTORAGE in mine passage or chambers