
Geotextiles and geotextile-related products - Characteristics required for use in the construction of tunnels and underground structures
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
UNE EN 13256:2017 - Identical
NS EN 13256:2016 - Identical
NF EN 13256:2016 - Identical
SN EN 13256:2017 - Identical