NF EN 12050-4:2015現行
Wastewater Lifting Plants For Buildings And Sites - Part 4: Non-Return Valves For Faecal-Free Wastewater And Wastewater Containing Faecal Matter
出版：Association Francaise de Normalisation
專家解讀視頻
2015 [01/04/2015]2001 [01/05/2001]
Indice de classement: P16-260-4. (02/2002) PR NF EN 12050-4 December 2012. (01/2013) 2001 version is still active until 01/12/2016. (04/2015)
ONORM EN 12050-4:2001 - Identical
NS EN 12050-4 Ed. 1 (2001) - Identical
UNE EN 12050-4:2001 - Identical
ONORM EN 12050-4:2015 - Identical
UNE EN 12050-4:2015 - Identical
I.S. EN 12050-4:2015 - Identical
BS EN 12050-4:2015 - Identical
NBN EN 12050-4:2015 - Identical
SS EN 12050-4 Ed. 2 (2015) - Identical
DIN EN 12050-4 (2015-05) - Identical
NEN EN 12050-4:2015 - Identical
NS EN 12050-4:2015 - Identical
SN EN 12050-4:2001 - Identical
