DIN EN 1452-4 (1999-09)被替代
Plastics piping systems for water supply - Unplasticized poly(vinyl chloride) (PVC-U) Part 4: Valves and ancillary equipment
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NEN EN 1452-4:1999 - Identical
SS EN 1452-4 Ed. 1 (1999) - Identical
UNE EN 1452-4:2000 - Identical
NS EN 1452-4:1999 - Identical
I.S. EN 1452-4:1999 - Identical
NF EN 1452-4:1999 - Identical
NBN EN 1452-4:2000 - Identical
ONORM EN 1452-4:2000 - Identical
BS EN 1452-4:1999 - Identical
SN EN 1452-4:1999 - Identical
UNI EN 1452-4:2001 - Identical
