Ventanas. Resistencia a la torsión estática.
Windows - Determination of the resistance to static torsion
Fenêtres - Détermination de la résistance à la torsion statique
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91.060.50 / Doors and windows
CTN 85 - Closure of frames in building and related products
EN 14609:2004 (Identical)
Corrected by: UNE-EN 14609:2004 ERRATUM: 2010
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