NA 060
DIN Standards Committee Mechanical Engineering
Project
Fans - Efficiency classification for fans - Part 4: Driven fans at maximum operating speed - Amendment 1: Addition of Annex F providing an example of the use of efficiency classification and editorial changes (ISO 12759-4:2019/DAM 1:2026)
Begin
2025-05-01
WI
00156306
Planned document number
EN ISO 12759-4/prA1