I.S. EN 1452-4:1999被替代
Plastics Piping Systems For Water Supply - Unplasticized Poly(vinyl Chloride) (pvc-u) Part 4: Valves And Ancillary Equipment
出版：National Standards Authority of Ireland
专家解读视频
Defines the characteristics of valves and ancillary equipment made from unplasticized poly(vinyl chloride) (PVC-U) for piping systems used in the field of water supply.
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
UNI EN 1452-4:2001 - Identical
NF EN 1452-4:1999 - Identical
NBN EN 1452-4:2000 - Identical
ONORM EN 1452-4:2000 - Identical
DIN EN 1452-4 (1999-09) - Identical
BS EN 1452-4:1999 - Identical
SN EN 1452-4:1999 - Identical
