
Fans — Determination of fan sound power levels under standardized laboratory conditions — Part 3: Enveloping surface methods
NORMA vydaná dňa 17.3.2026
Designation standards: ISO 13347-3:2026-ed.2.0
Publication date standards: 17.3.2026
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: International technical standard
Kategória: Technické normy ISO