Standard
[CURRENT]
OENORM EN 1822-1:2019-09-01
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
- German title
- Schwebstofffilter (EPA, HEPA und ULPA) - Teil 1: Klassifikation, Leistungsprüfung, Kennzeichnung
- Publication date
-
2019-09-01
- Original language
-
German
- Pages
- 23
- Publication date
-
2019-09-01
- Original language
-
German
- Pages
- 23
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