DIN EN 488 (2016-02)现行
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NF EN 488:2015 - Identical
UNE EN 488:2012 - Identical
UNI EN 488:2016 - Identical
SN EN 488:2016 - Identical
NEN EN 488:2015 - Identical
ONORM EN 488:2016 - Identical
NS EN 488:2015 - Identical
