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EN ISO 16890-4:2022-08

Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2022)

German title: Luftfilter für die allgemeine Raumlufttechnik - Teil 4: Konditionierungsverfahren für die Ermittlung des Fraktionsabscheidegradminimums (ISO 16890-4:2022)
Publication date: 2022-08
Original language: English
Pages: 3

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