DIFF Subgroup
E21D 5/016 Bearer curbs
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Lining shafts; Linings therefor > Bearer curbs
CPC:
Lining shafts; Linings therefor (E21D11/00 takes precedence ) > Bearer curbs
No child classifications to compare. This is a leaf node in both IPC and CPC.