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DIN EN 13674-1:2017
Railway applications - Track - Rail - Part 1: Vignole railway rails 46 kg/m and above; German version EN 13674-1:2011+A1:2017
This European Standard specifies Vignole railway rails of 46 kg/m and greater linear mass, for general and high speed railway track usage.Two classes of profile tolerances are specified.
Deutsches Institut für Normung [din]