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φίλτρο με κυλινδρικές οπές |
filter with: 16 phrases in 12 subjects |
Agriculture | 2 |
Chemistry | 1 |
Earth sciences | 2 |
Environment | 2 |
General | 1 |
Health care | 1 |
Labor law | 1 |
Mechanic engineering | 1 |
Natural sciences | 1 |
Physical sciences | 1 |
Technology | 2 |
Transport | 1 |