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 E 04-008 Calcul de tolérances bilatérales et critères d’acceptation – Méthodes arithmétique, statistique quadratique et statistique inertielle