
Plastics Piping Systems For Water Supply And For Buried And Above-ground Drainage And Sewerage Under Pressure - Unplasticized Poly(vinyl Chloride) (pvc-u) - Part 4: Valves
出版:Belgian Standards

专家解读视频
2010 [01/02/2010]
Supersedes NBN EN 1452-4 and NBN EN 1456-1. (03/2010)
ISO 1452-4 : 2009(R2014) - Identical
ISO 1452-4 : 2009(R2014) - Identical
EN ISO 1452-4 : 2009 - Identical