Presentation and governance
UNM and its ecosystem
Standardization for the benefit of the market
Mecallians, the French mechanical industries
Our 115 standardization committees
S-AM : Standardisation of additive manufacturing European projet
European and international leadership
Maintenance agencies
UNM and the European “Machinery” Regulation
NF EN ISO 14405-1 – Spécification géométrique des produits (GPS) – Tolérancement dimensionnel – Partie 1: Tailles linéaires
NF EN ISO 14405 Tolérancement dimensionnel