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| purification | |||
| refinement | |||
| refining The processing of raw material to remove impurities; extraction (Öl) | |||
| refining | |||
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Raffination : 21 Phrasen in 11 Thematiken |
| Allgemeine Lexik | 1 |
| Chemie | 5 |
| Fett- und Ölindustrie | 1 |
| Industrie | 1 |
| Kohle | 2 |
| Landwirtschaft | 1 |
| Materialwissenschaften | 1 |
| Metallurgie | 5 |
| Statistik | 1 |
| Technik | 2 |
| Umwelt | 1 |