
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
NF EN 13251:2017 - Identical
UNE EN 13251:2017 - Identical
EN 13251:2016 - Identical
SN EN 13251:2017 - Identical