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
FD CEN/TR 17608 utilisation de fluides frigorigènes inflammables de substitution (classe A3) pour la réfrigération, la climatisation et les pompes à chaleur