Ehdotuksen tiedot
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)
Tunnus:EN ISO 12759-4:2019/prA1
Komitea:CEN/TC 156
Lausuntopyynnön määräaika:2026-04-23