IPC Subgroup
E21C 31/06 actuated by an endless cable or chain
Introduced: September 1968
Last revised: January 2006
Full Title
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam > for cutting or breaking-down devices > actuated by an endless cable or chain
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- MINING OR QUARRYING