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DIN EN 1822-1:2019-10
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking; German version EN 1822-1:2019
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| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 10/01/2019 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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