DIN EN 12050-4 (2001-05)废止
Wastewater lifting plants for buildings and sites - Principles of construction and testing Part 4: Non-return valves for faecal-free wastewater and wastewater containing faecal matter; English version of DIN EN 12050-4
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NEN EN 12050-4:2001 - Identical
SS EN 12050-4 Ed. 1 (2001) - Identical
UNE EN 12050-4:2001 - Identical
NS EN 12050-4 Ed. 1 (2001) - Identical
I.S. EN 12050-4:2000 - Identical
UNI EN 12050-4:2001 - Identical
NBN EN 12050-4:2001 - Identical
NF EN 12050-4:2001 - Identical
ONORM EN 12050-4:2001 - Identical
BS EN 12050-4:2001 - Identical
SN EN 12050-4:2001 - Identical
BS EN 12050-4:2015 - Identical
SS EN 12050-4 Ed. 2 (2015) - Identical
NBN EN 12050-4:2015 - Identical
