Sumideros y sifones para edificios. Parte 1: Requisitos.
GULLIES FOR BUILDINGS - PART 1: REQUIREMENTS
AVALOIRS ET SIPHONS POUR BÂTIMENTS. PARTIE 1: SPÉCIFICATIONS.
Buy on AENOR
91.140.80 / Drainage systems
CTN 149 - Water engineering
EN 1253-1:1999 (Identical)
It is cancelled by: UNE-EN 1253-1:2003