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| удаление воздуха фракционированным методом (The vacuum pump is suitable to perform fractional vacuum and to provide high vacuum power. Katejkin) | |||
| fractional vacuum: 2 phrases in 2 subjects |
| Forestry | 1 |
| Medical | 1 |
|
| |||
| удаление воздуха фракционированным методом (The vacuum pump is suitable to perform fractional vacuum and to provide high vacuum power. Katejkin) | |||
| fractional vacuum: 2 phrases in 2 subjects |
| Forestry | 1 |
| Medical | 1 |