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геттерно | ионный насос
| ионный насос | |
| tech. | Ionenpumpe; Ionisationspumpe |
| геттерно: 12 phrases in 6 subjects |
| Electrochemistry | 1 |
| Electronics | 4 |
| Metallurgy | 1 |
| Microelectronics | 1 |
| Missiles | 1 |
| Optics branch of physics | 4 |