DIFF Subgroup
E01B 3/48 Distance keepers or tie-rods for sleepers
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails > Distance keepers or tie-rods for sleepers
CPC:
Transverse or longitudinal sleepers (for switches or crossings E01B7/22); Other means resting directly on the ballastway for supporting rails > Distance keepers or tie-rods for sleepers
No child classifications to compare. This is a leaf node in both IPC and CPC.