Class 012
Vehicles and Products for locomotion by land, air or water
[ Construction of railways; construction of railway roadbeds; ] fix and plant maintenance, namely, repair and maintenance of [ rail plants and ] track systems; repair and maintenance of rails and tracks, in particular for railways, high speed railways, tramways, subways; repair and maintenance of railway tracks; [ repair and maintenance of rail vehicles; ] maintenance and repair of [ machines, vehicles and ] railways
Class 037
Construction and Repair Services
Cutting of metal with saws, milling cutters and grinding machines; millworking and grinding of rails with machines and vehicles; welding
Class 040
Treatment & Processing of Materials Services
Railroad constructing machines; rail-laying machines; milling machines