SN EN 13230-4:2009被替代
Railway Applications - Track - Concrete Sleepers And Bearers - Part 4: Prestressed Bearers For Switches And Crossings
出版：Swiss Standards
专家解读视频
Specifies additional technical criteria and control procedures as well as specific tolerance limits relating to the design and manufacture of prestressed bearers for switches and crossings with a maximum length of 5,5 m.
NF EN 13230-4:2009 - Identical
NS EN 13230-4:2009 - Identical
UNI EN 13230-4:2009 - Identical
NBN EN 13230-4:2009 - Identical
SS EN 13230-4 Ed. 2 (2009) - Identical
ONORM EN 13230-4:2003 - Identical
UNE EN 13230-4:2003 - Identical
NEN EN 13230-4:2016 - Identical
NEN EN 13230-4:2009 - Identical
UNI EN 13230-4:2016 - Identical
UNE EN 13230-4:2010 - Identical
EN 13230-4:2016 - Identical
NS EN 13230-4:2016 - Identical
ONORM EN 13230-4:2009 - Identical
BS EN 13230-4:2016 - Identical
NBN EN 13230-4:2016 - Identical
BS EN 13230-4:2009 - Identical
ONORM EN 13230-4:2016 - Identical
SS EN 13230-4 Ed. 3 (2016) - Identical
