
Chemicals Used For Treatment Of Water Intended For Human Consumption - Hydrochloric Acid
出版:Swiss Standards

專家解讀視頻
2016 [01/12/2016]2009 [01/05/2009]2000 [01/05/2000]
Also numbered as SIA 385.426. (06/2009)
EN 939:2016 - Identical
BS EN 939:2016 - Identical
NEN EN 939:2016 - Identical
I.S. EN 939:2016 - Identical
SS EN 939 Ed. 3 (2016) - Identical
UNI EN 939:2016 - Identical
NF EN 939:2016 - Identical
NBN EN 939:2016 - Identical
NS EN 939:2016 - Identical
ONORM EN 939:2016 - Identical
DIN EN 939 (2016-09) - Identical
UNE EN 939:2016 - Identical