Chimeneas. Componentes. Elementos de pared exterior de hormigón.
Chimneys. Components. Concrete outer wall elements.
Conduits de fumée. Composants. Enveloppes externes en béton.
Buy on AENOR
See part of the content of the standard
91.060.40 / Chimneys, shafts, ducts
CTN 123 - Chimneys
EN 12446:2003 (Identical)
It is cancelled by: UNE-EN 12446:2012