
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:Association Francaise de Normalisation

專家解讀視頻
2008 PR [01/09/2008]
Indice de classement: T54-016-4PR. PR NF EN ISO 1452-4 September 2008. (09/2008)
ISO/DIS 1452-4 - Identical