 |
| |||
| Filtermittel n | |||
| Filter-Material n | |||
| Filtermasse f; Filtermaterial n; Filtermedium n | |||
| Filtermaterial n (material); Filtermedium n (material); Filtermittel n (material) | |||
|
filter medium : 3 do fraz, 3 tematyki |
| Budownictwo | 1 |
| Chemia | 1 |
| Ochrona środowiska | 1 |