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| Raumluft f; Innenluft; Luft in Räumen; Luft in Gebäuden | |||
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air intérieur : 11 phrases in 6 subjects |
| Construction | 1 |
| Environment | 2 |
| General | 3 |
| Industry | 2 |
| Natural sciences | 2 |
| Research and development | 1 |
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