DIN EN ISO 16890-4:2023-12 Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2022); German version EN ISO 16890-4:2022

标准编号：DIN EN ISO 16890-4:2023-12

英文标题：Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2022); German version EN ISO 16890-4:2022

德文标题：Luftfilter für die allgemeine Raumlufttechnik - Teil 4: Konditionierungsverfahren für die Ermittlung des Fraktionsabscheidegradminimums (ISO 16890-4:2022); Deutsche Fassung EN ISO 16890-4:2022

发布日期：2023-12

DIN EN ISO 16890-4:2023-12 Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2022); German version EN ISO 16890-4:2022

标准预览图