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| Subject | English | German |
| coal. | low NOx axial swirl burner | Axialwirbelbrenner mit geringem NOx-Ausstoß |
| nat.res. | low-NOₓ burner | Stickoxid-Niedrigbrenner (reduction of nitrogen oxides in fuel) |
| nat.res. | low-NOₓ burner | NOₓ-Niedrigbrenner (reduction of nitrogen oxides in fuel) |
| coal. | low-NOX burner | Brenner für geringe NOX-Emission |
| nat.sc., environ. | low-NOx burner | NOx-armer Brenner |