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PCE
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DIFF Subgroup
E01B 3/22

Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse 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 > made from steel > Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers

CPC:

Transverse or longitudinal sleepers (for switches or crossings E01B7/22); Other means resting directly on the ballastway for supporting rails > made from steel > Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers

No child classifications to compare. This is a leaf node in both IPC and CPC.