IPC Subgroup
E01C 5/22 made of units composed of a mixture of materials covered by two or more of groups
Introduced: September 1968
Last revised: January 2006
Full Title
Pavings made of prefabricated single units > made of units composed of a mixture of materials covered by two or more of groups
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