NS EN 881 Ed. 2 (2005)被替代
Chemicals Used For Treatment Of Water Intended For Human Consumption - Aluminium Chloride (Monomeric), Aluminium Chloride Hydroxide (Monomeric) And Aluminium Chloride Hydroxide Sulfate (Monomeric)
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
2ED 2005 [11/02/2005]1ED 1998 [01/03/1998]
NEN EN 881:2004 - Identical
BS EN 881:2004 - Identical
SN EN 881:1997 - Identical
SS EN 881 Ed. 2 (2004) - Identical
UNE EN 881:2005 - Identical
EN 881:2004 - Identical
SN EN 881:2004 - Identical
DIN EN 881 (2005-02) - Identical
ONORM EN 881:2005 - Identical
NBN EN 881:2005 - Identical
I.S. EN 881:2005 - Identical
NF EN 881:2005 - Identical
UNI EN 881:2005 - Identical
