PUBLISHED
ISO 12759-4:2019
PROJECT
ISO 12759-4:2019/DAmd 1
40.60
Close of voting
May 12, 2026
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)
40.60 Close of voting