I.S. EN 13230-4:2016现行
Railway Applications - Track - Concrete Sleepers and Bearers Part 4: Prestressed Bearers for Switches and Crossings
出版：National Standards Authority of Ireland
专家解读视频
Specifies additional technical criteria and control procedures as well as specific tolerance limits related to manufacturing and testing prestressed bearers for switches and crossings with a maximum length of 8,5 m.
SN EN 13230-4:2016 - Identical
ONORM EN 13230-4:2016 - Identical
NBN EN 13230-4:2016 - Identical
UNE EN 13230-4:2016 - Identical
NS EN 13230-4:2016 - Identical
EN 13230-4:2016 - Identical
NF EN 13230-4:2016 - Identical
UNI EN 13230-4:2016 - Identical
NEN EN 13230-4:2016 - Identical
