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| portable oxygen | |
| med. | tragbare Sauerstoffgeräte |
| system | |
| gen. | Methode; System; Anlage |
| refrig. | System |
| tech. | Anlage; Anordnung; Bauart; Netz; Netzverbund; Bezugssystem datum |
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| tragbare Sauerstoffgeräte | |||
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portable oxygen : 5 phrases in 3 subjects |
| Medical | 3 |
| Metallurgy | 1 |
| Transport | 1 |