DIN EN 937 (1999-05)被替代
Chemicals used for treatment of water intended for human consumption - Chlorine
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
BS EN 937:1999 - Identical
NEN EN 937:1999 - Identical
SS EN 937 Ed. 1 (1999) - Identical
SN EN 937:1999 - Identical
UNE EN 937:1999 - Identical
NS EN 937 Ed. 1 (1999) - Identical
I.S. EN 937:1999 - Identical
UNI EN 937:2001 - Identical
NBN EN 937:1999 - Identical
NF EN 937:1999 - Identical
ONORM EN 937:1999 - Identical
