
Geotextiles and geotextile-related products - Characteristics required for use in earthworks, foundations and retaining structures
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
NEN EN 13251:2014 - Identical
NF EN 13251:2001 - Identical
NS EN 13251:2014 - Identical
SN EN 13251:2014 - Identical
ONORM EN 13251:2015 - Identical
NF EN 13251:2015 - Identical
UNE EN 13251:2014 - Identical
EN 13251:2014 - Identical
NBN EN 13251:2014 - Identical