DIN EN 13231-5:2018
鐵路應用 軌道 工程驗收 第5部分:平線、轉轍器、交叉路口和擴展裝置中的鐵路改造程序;德文版 EN 13231-5:2018
Railway applications - Track - Acceptance of works - Part 5: Procedures for rail reprofiling in plain line, switches, crossings and expansion devices; German version EN 13231-5:2018