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| основна линија | |||
| Portuguese thesaurus | |||
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| ref. (spanishru) | |||
| referência: 39 phrases in 14 subjects |
| Accumulators | 1 |
| Economy | 1 |
| Electric machinery | 1 |
| Electric motors | 1 |
| Electrical engineering | 4 |
| Electricity generation | 1 |
| Electronics | 7 |
| Lighting other than cinema | 1 |
| Magnetics | 2 |
| Mathematics | 8 |
| Metrology | 1 |
| Microsoft | 3 |
| Patents | 6 |
| Vacuum tubes | 2 |