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| principio de no devolución; no devolución | |||
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non- return : 39 phrases in 11 subjects |
| Animal husbandry | 4 |
| Earth sciences | 1 |
| Electronics | 3 |
| Finances | 1 |
| Immigration and citizenship | 2 |
| Information technology | 11 |
| Mechanic engineering | 7 |
| Medical | 1 |
| Mineral products | 1 |
| Technology | 4 |
| Transport | 4 |