DIFF Subgroup
E01B 3/26 combined with inserts of wood artificial stone or other material
Introduced: September 1968
Title
Titles differ between systems:
IPC: combined with inserts of wood, artificial stone, or other material
CPC: combined with inserts of wood artificial stone or other material
Full Title
Full titles differ between systems:
IPC:
Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails > made from steel > combined with inserts of wood, artificial stone, or other material
CPC:
Transverse or longitudinal sleepers (for switches or crossings E01B7/22); Other means resting directly on the ballastway for supporting rails > made from steel > combined with inserts of wood artificial stone or other material
No child classifications to compare. This is a leaf node in both IPC and CPC.