This document specifies terms and definitions used in the is 22074 series of standards relating to rail fastening systems.NOTEIn the Englis version, some terms have one or more variations lis ed in the heading (for example, sleeper: sleeper
NF F50-074-1:2020 history
2020NF F50-074-1:2020 Railway infrastructure - Rail fastening systems - Part 1 : vocabulary