DIFF Subgroup
E01B 29/04 Lifting or levelling of tracks (lifting devices in general B66F)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Lifting or levelling of tracks
CPC: Lifting or levelling of tracks (lifting devices in general B66F)
Full Title
Full titles differ between systems:
IPC:
Laying, rebuilding, or taking-up tracks; Tools or machines therefor > Lifting or levelling of tracks
CPC:
Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence) > Lifting or levelling of tracks (lifting devices in general B66F)
No child classifications to compare. This is a leaf node in both IPC and CPC.