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| magnetic particle method (в дефектоскопии); magnetic powder method (в дефектоскопии) | |||
| magnetic particle magnetic powder method (при дефектоскопии) | |||
| magnetic particle method; magnetic powder method | |||
| метод магнитного порошка: 7 phrases in 5 subjects |
| Automated equipment | 2 |
| Oil / petroleum | 1 |
| Pipelines | 2 |
| Polymers | 1 |
| Rail transport | 1 |