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tube cathodiques : 69 phrases in 14 subjects |
Antennas and waveguides | 12 |
Automated equipment | 1 |
Chemistry | 1 |
Communications | 4 |
Computers | 6 |
Electronics | 20 |
Environment | 1 |
General | 1 |
Industry | 6 |
Information technology | 10 |
Medical appliances | 2 |
Natural sciences | 2 |
Radio | 2 |
Technology | 1 |