NEN EN 13230-4:2003被替代
Railway Applications - Track - Concrete Sleepers And Bearers - Part 4: Prestressed Bearers For Switches And Crossings
出版：Nederlands Normalisatie Instituut
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.
Draft issued in August 2007. (08/2007)
NF EN 13230-4:2003 - Identical
NBN EN 13230-4:2003 - Identical
DIN EN 13230-4 (2003-03) - Identical
BS EN 13230-4:2002 - Identical
I.S. EN 13230-4:2003 - Identical
UNI EN 13230-4:2003 - Identical
NS EN 13230-4 Ed. 1 (2003) - Identical
UNE EN 13230-4:2003 - Identical
ONORM EN 13230-4:2003 - Identical
SS EN 13230-4 Ed. 1 (2002) - Identical
SN EN 13230-4:2003 - Identical
