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ISO 12759-4:2019/DAmd 1

Fans — Efficiency classification for fans — Part 4: Driven fans at maximum operating speed — Amendment 1

General information

40.60     12 maj 2026

ISO

ISO/TC 117

International Standard

23.120  

Scope

Life cycle

PREVIOUSLY

PUBLISHED
ISO 12759-4:2019

NOW

IN_DEVELOPMENT
ISO 12759-4:2019/DAmd 1
40.60 Close of voting
12 maj 2026