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émission f |
انبعاث : 50 phrases in 14 subjects |
Accumulators | 1 |
Climatology | 1 |
Environment | 3 |
Food industry | 1 |
Forestry | 1 |
Lighting other than cinema | 2 |
Magnetics | 9 |
Physics | 11 |
Radiology | 2 |
Remote sensing | 2 |
Technology | 3 |
Thermal Energy | 2 |
United Nations | 2 |
Vacuum tubes | 10 |