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[ Chemicals for heating and welding of metals ]

Devices for measuring, monitoring and recording of physical or geometrical properties of new laid rail or steel constructions, namely, electronic straight edges, rail profile recording devices, rail residual stress recording devices and rail track geometry measuring devices

[ Nonmetallic construction materials for performing aluminothermic welding on engineering products, namely, ceramic forms for casting an aluminothermic mixture and ceramic crucibles for reacting an aluminothermic mixture ]

Construction and repair of railway tracks, crane rails and other metallic railway engineering products using aluminothermic welding techniques