DIN EN 12933 (2015-05)现行
Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Trichloroisocyanuric acid
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
ONORM EN 12933:2015 - Identical
SS EN 12933 Ed. 3 (2015) - Identical
UNE EN 12933:2015 - Identical
NBN EN 12933:2015 - Identical
NS EN 12933:2015 - Identical
NF EN 12933:2015 - Identical
