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PCE
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DIFF Subgroup
E01B 7/22

Special sleepers for switches or crossings; Fastening means therefor

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Switches; Crossings > Special sleepers for switches or crossings; Fastening means therefor

CPC:

Switches; Crossings (operating mechanisms B61L) > Special sleepers for switches or crossings; Fastening means therefor

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