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PCE
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CPC Subgroup
E01B 3/24

Slabs; Blocks; Pot sleepers; Fastening tie-rods to them

Full Title

Transverse or longitudinal sleepers (for switches or crossings E01B7/22); Other means resting directly on the ballastway for supporting rails > made from steel > Slabs; Blocks; Pot sleepers; Fastening tie-rods to them