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Zeitzähler m |
time counter : 20 phrases in 10 subjects |
Communications | 2 |
Computers | 1 |
Information technology | 1 |
Measuring instruments | 4 |
Mechanic engineering | 1 |
Microsoft | 1 |
Nuclear physics | 2 |
Physics | 2 |
Technology | 2 |
Радиоактивное излучение | 4 |