IPC Subgroup
E01B 3/48 Distance keepers or tie-rods for sleepers
Introduced: September 1968
Last revised: January 2006
Full Title
Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails > Distance keepers or tie-rods for 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