DIFF Subgroup
E01B 21/04 Special fastenings, joint constructions, or tie-rods
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Track superstructure specially adapted for tramways in paved streets > Special fastenings, joint constructions, or tie-rods
CPC:
Track superstructure adapted for tramways in paved streets (paving E01C9/04, E01C9/06) > Special fastenings, joint constructions, or tie-rods
No child classifications to compare. This is a leaf node in both IPC and CPC.