
Tracked Changes. Air filters for general ventilation. Measurement of fractional efficiency and air flow resistance.
NORMA vydaná dňa 25.1.2023
Designation standards: BS EN ISO 16890-2:2022-TC
Publication date standards: 25.1.2023
The number of pages: 168
Approximate weight : 535 g (1.18 lbs)
Country: British technical standard
Kategória: Technické normy BS
ISBN: 978 0 539 24694 0 Status: Definitive