IPC Subgroup
E01C 7/04 of broken stones, gravel, or like materials
Introduced: September 1968
Last revised: January 2006
Full Title
Coherent pavings made > made of road-metal without binders > of broken stones, gravel, or like materials
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR