Presentation and governance
UNM and its ecosystem
Standardization for the benefit of the market
Mecallians, the French mechanical industries
Our 115 standardization committees
European and international leadership
Maintenance agencies
UNM and the European “Machinery” Regulation
Instance :
ISO
TC 172/SC 3 -
Commission(s) de normalisation :
UNM 20
Optique et photonique
