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| عُمق | |||
| عمق | |||
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głębokość : 15 phrases in 8 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| Lighting other than cinema | 1 |
| Microsoft | 1 |
| Radio | 3 |
| Sound recording | 2 |
| Thermal Energy | 5 |
| Vacuum tubes | 1 |
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