IPC Subgroup
E21C 37/26 Chisels or other cutting tools not mentioned before
Introduced: September 1968
Last revised: January 2006
Full Title
Other methods or devices for dislodging with or without loading > Chisels or other cutting tools not mentioned before
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- MINING OR QUARRYING