 |
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| ultrasonic flaw pulse detector | |||
| ultrasonic flaw pulse detector | |||
| ультразвуковой импульсный дефектоскоп: 4 phrases in 3 subjects |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Quality control and standards | 1 |
|
| |||
| ultrasonic flaw pulse detector | |||
| ultrasonic flaw pulse detector | |||
| ультразвуковой импульсный дефектоскоп: 4 phrases in 3 subjects |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Quality control and standards | 1 |