 |
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| Doppelventil n | |||
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| Doppelröhre f | |||
| double valve: 38 phrases in 14 subjects |
| Automated equipment | 1 |
| Chemistry | 3 |
| Coal | 1 |
| Construction | 1 |
| Electronics | 1 |
| Engines | 2 |
| General | 3 |
| Measuring instruments | 1 |
| Mechanic engineering | 7 |
| Metallurgy | 1 |
| Physics | 2 |
| Refrigeration | 2 |
| Technology | 10 |
| Transport | 3 |