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| Installationsrohrsystem n | |||
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| système de conduits: 23 phrases in 11 subjects |
| Coal | 3 |
| Communications | 1 |
| Construction | 4 |
| Criminal law | 2 |
| Electric machinery | 1 |
| General | 2 |
| Information technology | 4 |
| International trade | 1 |
| Law | 1 |
| Mechanic engineering | 2 |
| Transport | 2 |