IPC Subgroup
E01B 23/12 Sleepers
Introduced: September 1968
Last revised: January 2006
Full Title
Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor > Shiftable tracks for heavy loads, e.g. carrying excavators > Sleepers
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
Related Keywords
SLEEPERS for railways or tramways