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

专家解读视频
© British Standards Institution 2013
ONORM EN 13230-1:2003 - Identical
DIN EN 13230-1 (2003-03) - Identical
SN EN 13230-1:2003 - Identical
SS EN 13230-1 Ed. 1 (2002) - Identical
NEN EN 13230-1:2003 - Identical
UNE EN 13230-1:2003 - Identical
NS EN 13230-1 Ed. 1 (2002) - Identical
UNI EN 13230-1:2003 - Identical
I.S. EN 13230-1:2003 - Identical
NF EN 13230-1:2003 - Identical
NBN EN 13230-1:2003 - Identical