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| instalação de calibragem automática de ar livre | |||
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installation for : 50 phrases in 11 subjects |
| Agriculture | 7 |
| Earth sciences | 1 |
| Economics | 1 |
| Electronics | 4 |
| General | 28 |
| Law | 1 |
| Mechanic engineering | 2 |
| Nuclear and fusion power | 2 |
| Patents | 1 |
| Technology | 2 |
| Telegraphy | 1 |