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| sistema de designación | |||
| sistema de identificação: 20 phrases in 9 subjects |
| Agriculture | 3 |
| Automatic control | 2 |
| Communications | 2 |
| Electronics | 2 |
| Finances | 1 |
| General | 3 |
| Information technology | 2 |
| International law | 1 |
| Transport | 4 |
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