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Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency
Translate name
STANDARD published on 1.2.2023
Designation standards: ČSN EN ISO 16890-4
Classification mark: 125009
Catalog number: 516207
Note: WITHDRAWN
Publication date standards: 1.2.2023
SKU: NS-1101406
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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