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| rayos catódicos | |||
| English thesaurus | |||
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| cr | |||
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cathode rays : 31 phrases in 10 subjects |
| Antennas and waveguides | 6 |
| Automated equipment | 4 |
| Aviation | 1 |
| Communications | 2 |
| Electronics | 6 |
| Measuring instruments | 2 |
| Patents | 1 |
| Radio | 1 |
| Sound recording | 1 |
| Technology | 7 |