NF P24-501:1995 Unplasticized polyvinychloride (PVC-U) profiles for the fabrication of windows and doors. Determination of the resistance to impact of main profiles by falling mass.
1995NF P24-501:1995 Unplasticized polyvinychloride (PVC-U) profiles for the fabrication of windows and doors. Determination of the resistance to impact of main profiles by falling mass.
1992NF P24-500:1992 Characteristics of ectruded PVC window profiles