BS EN ISO 16890-4:2022-TC

Tracked Changes. Air filters for general ventilation. Conditioning method to determine the minimum fractional test efficiency.

NORM herausgegeben am 21.12.2022

The information about the standard:

Designation standards: BS EN ISO 16890-4:2022-TC
Publication date standards: 21.12.2022
The number of pages: 50
Approximate weight : 150 g (0.33 lbs)
Country: British technical standard
Kategorie: Technische Normen BS