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| проходящий пучок | |||
| измеритель ровности покрытий (3 metre long beam fixed on two rigid wheels at the extremities and a sensing unit in the middle Tatyana78) | |||
| движущийся пучок | |||
| traveling beam: 11 phrases in 6 subjects |
| Construction | 1 |
| Electronics | 1 |
| Makarov | 1 |
| Metallurgy | 1 |
| Physics | 1 |
| Technology | 6 |