CPC Subgroup
E01B 31/175 Full Title
Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27) > Working rail or other metal track components on the spot > Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails > by grinding