IPC Subgroup
E21C 27/08 with additional means for cutting the mineral into blocks
Introduced: September 1968
Last revised: January 2006
Full Title
Machines which completely free the mineral from the seam > solely by slitting > with additional means for cutting the mineral into blocks
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- MINING OR QUARRYING