Tejas y accesorios de hormigón.
CONCRETE ROOFING TILES AND FITTINGS. TEST METHODS.
TUILES ET ACCESSOIRES EN BÉTON. MÉTHODES D'ESSAIS.
Buy on AENOR
91.060.20 / Roofs
91.100.30-20 / Concrete products
CTN 127 - Precast cement and concrete products
It is cancelled by: UNE-EN 491:2005