BS EN 939:2000被替代
Chemicals used for treatment of water intended for human consumption. Hydrochloric acid
出版：British Standards Institution
專家解讀視頻
? British Standards Institution 2013
NEN EN 939:1999 - Identical
NS EN 939 Ed. 1 (2000) - Identical
I.S. EN 939:2000 - Identical
NF EN 939:1999 - Identical
NBN EN 939 Ed. 1 (2000) - Identical
SN EN 939:2000 - Identical
DIN EN 939 (2000-04) - Identical
ONORM EN 939:2000 - Identical
UNI EN 939:2004 - Identical
UNE EN 939:2000 - Identical
SS EN 939 Ed. 1 (1999) - Identical
