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| dati di base; dati di riferimento | |||
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información de base : 15 phrases in 9 subjects |
| Chemistry | 1 |
| Communications | 3 |
| Environment | 1 |
| Finances | 1 |
| General | 2 |
| Information technology | 3 |
| Law | 1 |
| Patents | 1 |
| Statistics | 2 |
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