 |
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| elektronenstraalbuizen f | |||
| kathodestraalbuizen f | |||
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| electronenstraalbuis f, katodestraalbuis f | |||
| kathodestraalbuis f | |||
| tubos de rayos catódicos: 26 phrases in 5 subjects |
| Antennas and waveguides | 3 |
| Chemistry | 1 |
| Communications | 11 |
| Electronics | 8 |
| Information technology | 3 |