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| gama de onda decamétricas | |||
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| gama de ondas decamétricas | |||
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high- frequency range : 3 phrases in 2 subjects |
| Communications | 1 |
| Transport | 2 |
| |||
| gama de onda decamétricas | |||
| |||
| gama de ondas decamétricas | |||
|
high- frequency range : 3 phrases in 2 subjects |
| Communications | 1 |
| Transport | 2 |