
Chemicals Used For Treatment Of Water Intended For Human Consumption - Poly (Diallyldimethylammonium Chloride)
出版:Asociacion Espanola de Normalizacion

专家解读视频
2008 [01/10/2008]1998 [10/11/1998]
DIN EN 1408 (2008-04) - Identical
BS EN 1408:2008 - Identical
NF EN 1408:2008 - Identical
NBN EN 1408:2008 - Identical
NEN EN 1408:2008 - Identical
NS EN 1408 Ed. 2 (2008) - Identical
ONORM EN 1408:2008 - Identical
UNI EN 1408:2008 - Identical
SN EN 1408:2008 - Identical
SS EN 1408 Ed. 2 (2008) - Identical
SS EN 1408 Ed. 1 (1998) - Identical
I.S. EN 1408:2008 - Identical