
Railway applications. Track. Concrete sleepers and bearers. General requirements
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
SS EN 13230-1 Ed. 2 (2009) - Identical
ONORM EN 13230-1:2009 - Identical
UNE EN 13230-1:2010 - Identical
NBN EN 13230-1:2009 - Identical
NEN EN 13230-1:2009 - Identical
EN 13230-1:2016 - Identical